[PT016-F] Case 674 Telegraphy (1886)
Patent Series -- Patent Application Files
Items
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[PT016AAA], Patent Application, Thomas Alva Edison, July 19th, 1886 1886-07-19 -
[PT016AAC], Letter from U.S. Patent Office. Commissioner to Dyer and Seely, Thomas Alva Edison, July 19th, 1886 1886-07-19 -
[PT016AAD], Letter from U.S. Patent Office. Commissioner to Thomas Alva Edison, Dyer and Seely, September 22nd, 1886 1886-09-22 -
[PT016AAE], Letter from Dyer and Seely to U.S. Patent Office. Commissioner, September 21st, 1888 1888-09-21 -
[PT016AAF], Letter from U.S. Patent Office. Commissioner to Dyer and Seely, Thomas Alva Edison, September 29th, 1888 1888-09-29 -
[PT016AAG], Letter from Dyer and Seely to U.S. Patent Office. Commissioner, September 2nd, 1890 1890-09-02 -
[PT016AAH], Letter from U.S. Patent Office. Commissioner to Dyer and Seely, Thomas Alva Edison, September 9th, 1890 1890-09-09 -
[PT016AAI], Letter from Dyer and Seely to U.S. Patent Office. Commissioner, September 6th, 1892 1892-09-06 -
[PT016AAJ], Letter from U.S. Patent Office. Commissioner to Thomas Alva Edison, Dyer and Seely, September 17th, 1892 1892-09-17 -
[PT016AAK], Letter from Unknown to Dyer and Seely, August 23rd, 1894 1894-08-23 -
[PT016AAL], Memorandum, Dyer and Seely, 1894 1894-00-00