Items

• [D8130W], Letter from Electric Tube Co to Samuel Insull, October 20th, 1881
  1881-10-20
• [LB006594], Letter from Thomas Alva Edison to Henry Augustus Rowland, November 24th, 1880
  1880-11-24
• [PT010AAX], Petition, Thomas Alva Edison, U.S. Patent Office. Commissioner, March 8th, 1890
  1890-03-08
• [PT011AAA], Patent Application, Thomas Alva Edison, August 9th, 1880
  1880-08-09
• [QD012E2248], Letter from U.S. Patent Office. Commissioner to Thomas Alva Edison, April 8th, 1880
  1880-04-08
• [QD012E2267], Letter from Thomas Alva Edison to U.S. Patent Office. Commissioner, February 17th, 1880
  1880-02-17
• [W100ABQ], Patent Caveat, Thomas Alva Edison, December 16th, 1880
  1880-12-16
• [W100ABR], Patent Caveat, Thomas Alva Edison, December 16th, 1880
  1880-12-16
• [W100ABS], Patent Caveat, Thomas Alva Edison, August 19th, 1881
  1881-08-19
• [W100ABT], Patent Caveat, Thomas Alva Edison, September 23rd, 1881
  1881-09-23
• [W100BA5A], Patent Application, Thomas Alva Edison, December 28th, 1880
  1880-12-28
• [W100BA5B], Patent Application, Thomas Alva Edison, March 10th, 1880
  1880-03-10