Items
Items
Subject is exactly
Patent application
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[PT5132B], Letter from William Abbott Hardy to Thomas Alva Edison, December 15th, 1922
1922-12-15 -
[PT5132A], Letter from Thomas Alva Edison to William Abbott Hardy, December 14th, 1922
1922-12-14 -
[PT5131A], Technical Note, Thomas Alva Edison, December 22nd, 1922
1922-12-22 -
[PT5130D], Technical Note, William Abbott Hardy, 1923
1923-00-00 -
[PT5130C], Technical Note, Thomas Alva Edison, June 21st, 1923
1923-06-21 -
[PT5130B], Technical Note, Thomas Alva Edison, February 2nd, 1923
1923-02-02 -
[PT5130A], Letter from Thomas Alva Edison to William Abbott Hardy, February 1st, 1923
1923-02-01 -
[PT5129D], Letter from Blanche Boetsch to Henry Lanahan, April 3rd, 1928
1928-04-03 -
[PT5129C], Legal Testimony, Henry Lanahan, December 9th, 1927
1927-12-09 -
[PT5129B], Legal Testimony, Blanche Boetsch, December 9th, 1927
1927-12-09 -
[PT5129A], Legal Testimony, William Abbott Hardy, December 9th, 1927
1927-12-09 -
[PT5128C], Technical Note, Thomas Alva Edison, May 31st, 1922
1922-05-31 -
[PT5128B], Letter from Henry Lanahan to Thomas Alva Edison, February 27th, 1922
1922-02-27 -
[PT5128A], Letter from Thomas Alva Edison to William Abbott Hardy, February 27th, 1922
1922-02-27 -
[PT5127A], Technical Note, Thomas Alva Edison, February 1st, 1922
1922-02-01 -
[PT5126B], Letter from William Abbott Hardy to Thomas Alva Edison, December 6th, 1928
1928-12-06 -
[PT5126A], Letter from William Abbott Hardy to Thomas Alva Edison, January 23rd, 1926
1926-01-23 -
[PT5125C] Memorandum, 1921-1922
1921-1922 -
[PT5125B], Technical Note, Thomas Alva Edison, January 1st, 1922
1922-01-01 -
[PT5125A], Technical Note, Thomas Alva Edison, September 12th, 1921
1921-09-12 -
[PT5124A], Technical Note, Thomas Alva Edison, December 21st, 1920
1920-12-21 -
[PT5123B], Technical Note, Henry Clifford Egerton, August 1920
1920-08-00 -
[PT5123A], Letter from William Abbott Hardy to Thomas Alva Edison, August 17th, 1920
1920-08-17 -
[PT5122B], Letter from Thomas Alva Edison to William Abbott Hardy, July 1920
1920-07-00 -
[PT5122A], Letter from William Abbott Hardy to Thomas Alva Edison, July 1st, 1920
1920-07-01 -
[PT5120A], Technical Note, Thomas Alva Edison, December 4th, 1919
1919-12-04 -
[PT5119B], Technical Note, Thomas Alva Edison, November 26th, 1919
1919-11-26 -
[PT5119A], Letter from Thomas Alva Edison to William Abbott Hardy, November 26th, 1919
1919-11-26 -
[PT5118A], Technical Note, Thomas Alva Edison, October 29th, 1919
1919-10-29 -
[PT5117A], Technical Note, Thomas Alva Edison, September 22nd, 1919
1919-09-22 -
[PT5116A], Technical Note, Thomas Alva Edison, September 23rd, 1919
1919-09-23 -
[PT5115C], Letter from Thomas Alva Edison to William Abbott Hardy, 1919
1919-00-00 -
[PT5115B], Letter from William Abbott Hardy to Thomas Alva Edison, July 31st, 1920
1920-07-31 -
[PT5115A], Technical Note, Thomas Alva Edison, September 12th, 1919
1919-09-12 -
[PT5114A], Technical Note, Thomas Alva Edison, September 10th, 1919
1919-09-10 -
[PT5113B], Technical Note, Thomas Alva Edison, August 25th, 1919
1919-08-25 -
[PT5113A], Letter from Thomas Alva Edison to Delos Holden, August 1919
1919-08-00 -
[PT5112A], Technical Note, Thomas Alva Edison, June 17th, 1919
1919-06-17 -
[PT5110A], Technical Note, Thomas Alva Edison, William Abbott Hardy, June 9th, 1919
1919-06-09 -
[PT5109C], Letter from William Abbott Hardy to Thomas Alva Edison, May 16th, 1924
1924-05-16 -
[PT5109B], Memorandum, William Abbott Hardy, July 18th, 1919
1919-07-18 -
[PT5109A1], Technical Note, William Abbott Hardy, May 1919
1919-05-00 -
[PT5109A], Technical Note, Thomas Alva Edison, William Abbott Hardy, May 13th, 1919
1919-05-13 -
[PT5107A], Technical Note, William Abbott Hardy, Thomas Alva Edison, April 16th, 1919
1919-04-16 -
[PT5106A], Letter from B Kleissler to Henry Lanahan, March 1923
1923-03-00 -
[PT5105B], Technical Note, Thomas Alva Edison, January 1919
1919-01-00 -
[PT5105A], Letter from William Abbott Hardy to Thomas Alva Edison, January 8th, 1919
1919-01-08 -
[PT5104D], Letter from William Abbott Hardy to Lizzie Knierim, April 29th, 1921
1921-04-29 -
[PT5104C], Letter from Lizzie Knierim to Delos Holden, April 26th, 1921
1921-04-26 -
[PT5104B], Letter from Delos Holden to Lizzie Knierim, April 16th, 1921
1921-04-16 -
[PT5104A], Memorandum, Thomas Alva Edison, September 26th, 1918
1918-09-26 -
[PT5103A], Technical Note, Thomas Alva Edison, October 1918
1918-10-00 -
[PT5102B], Technical Note, Thomas Alva Edison, August 1917
1917-08-00 -
[PT5102A], Letter from William Abbott Hardy to Thomas Alva Edison, August 8th, 1917
1917-08-08 -
[PT5101D], Letter from William Abbott Hardy to Thomas Alva Edison, January 5th, 1917
1917-01-05 -
[PT5101C], Technical Note, Richard G Whipple, December 11th, 1916
1916-12-11 -
[PT5101B], Letter from Richard G Whipple to Thomas Alva Edison, December 26th, 1919
1919-12-26 -
[PT5101A], Technical Note, Albert Joseph Acker, March 10th, 1916
1916-03-10 -
[PT5099A], Letter from William Abbott Hardy to Thomas Alva Edison, Jr., January 8th, 1918
1918-01-08 -
[PT5098B], Letter from Delos Holden to Thomas Alva Edison, October 21st, 1918
1918-10-21 -
[PT5098A], Letter from William Abbott Hardy to Thomas Alva Edison, October 15th, 1918
1918-10-15 -
[PT5097B], Memorandum, Frederick Bachman, September 21st, 1916
1916-09-21 -
[PT5097A], Letter from Thomas Alva Edison to Frederick Bachman, September 13th, 1916
1916-09-13 -
[PT5096D], Letter from William Abbott Hardy to Thomas Alva Edison, November 16th, 1917
1917-11-16 -
[PT5096C], Letter from William Abbott Hardy to Thomas Alva Edison, November 5th, 1917
1917-11-05 -
[PT5096B], Letter from William Horatio Mason to Thomas Alva Edison, September 26th, 1917
1917-09-26 -
[PT5096A], Letter from Nathan M Elias to William Horatio Mason, September 21st, 1917
1917-09-21 -
[PT5095A], Technical Note, Thomas Alva Edison, January 28th, 1916
1916-01-28 -
[PT5094C], Letter from William Abbott Hardy to Thomas Alva Edison, December 7th, 1918
1918-12-07 -
[PT5094B], Letter from William Abbott Hardy to William Henry Meadowcroft, October 16th, 1917
1917-10-16 -
[PT5094A], Letter from William Abbott Hardy to Thomas Alva Edison, May 7th, 1917
1917-05-07 -
[PT5093B], Technical Note, Newman Henry Holland, January 8th, 1916
1916-01-08 -
[PT5093A], Technical Note, Thomas Alva Edison, January 5th, 1916
1916-01-05 -
[PT5092A], Technical Note, Thomas Alva Edison, January 5th, 1916
1916-01-05 -
[PT5091B], Letter from Charles Holland Kesler to Thomas Alva Edison, November 28th, 1917
1917-11-28 -
[PT5091A], Technical Note, Thomas Alva Edison, August 16th, 1915
1915-08-16 -
[PT5090C], Letter from William Abbott Hardy to Thomas Alva Edison, November 1st, 1917
1917-11-01 -
[PT5090B], Letter from Thomas Alva Edison to Delos Holden, October 1914
1914-10-00 -
[PT5090A], Technical Note, Thomas Alva Edison, September 13th, 1914
1914-09-13 -
[PT5089A], Letter from Charles Holland Kesler to Thomas Alva Edison, July 3rd, 1918
1918-07-03 -
[PT5088A], Technical Note, Newman Henry Holland, April 10th, 1913
1913-04-10 -
[PT5087A], Technical Note, Thomas Alva Edison, August 6th, 1914
1914-08-06 -
[PT5086H], Letter from William Abbott Hardy to Thomas Alva Edison, October 11th, 1918
1918-10-11 -
[PT5086G], Letter from William Abbott Hardy to Thomas Alva Edison, June 28th, 1918
1918-06-28 -
[PT5086F], Letter from William Abbott Hardy to Thomas Alva Edison, April 10th, 1917
1917-04-10 -
[PT5086E], Legal Decision, Francis Warfield Herrick Clay, U.S. Patent Office. Commissioner, September 24th, 1918
1918-09-24 -
[PT5086D], Legal Testimony, Dyer and Holden, Thomas Alva Edison, September 1918
1918-09-00 -
[PT5086C], Legal Decision, U.S. Patent Office. Examiners-in-Chief, James Thornwell Newton, August 3rd, 1917
1917-08-03 -
[PT5086B], Legal Testimony, Thomas Alva Edison, Dyer and Holden, July 17th, 1917
1917-07-17 -
[PT5086A], Legal Testimony, U.S. Patent Office. Examiner, May 2nd, 1917
1917-05-02 -
[PT5085B], Letter from J A Brophy to Miller Reese Hutchison, April 29th, 1914
1914-04-29 -
[PT5085A], Technical Note, J A Brophy, April 24th, 1914
1914-04-24 -
[PT5084B], Technical Note, J A Brophy, May 11th, 1914
1914-05-11 -
[PT5084A], Letter from J A Brophy to Miller Reese Hutchison, April 29th, 1914
1914-04-29 -
[PT5083D], Technical Note, Frank David Lewis, April 28th, 1915
1915-04-28 -
[PT5083C], Technical Note, Frank David Lewis, June 29th, 1914
1914-06-29 -
[PT5083B], Letter from J A Brophy to Miller Reese Hutchison, April 29th, 1914
1914-04-29 -
[PT5083A], Letter from Miller Reese Hutchison to Thomas Alva Edison, April 29th, 1914
1914-04-29 -
[PT5082B], Letter from Thomas Alva Edison to Henry Lanahan, February 20th, 1914
1914-02-20 -
[PT5082A], Letter from Miller Reese Hutchison to Thomas Alva Edison, February 18th, 1914
1914-02-18