In the matter of U.S. patent, no. 162,633, issued April 27, 1875, to Thomas A. Edison and George Harrington, assignees of said Edison, and application no. 99, for U.S. letters patent, dated August 19, 1874, assigned by Thomas A. Edison to himself and George B. Prescott
Publisher: [s.n.]
Published: 1875
Place of publication: [s.l.]
Language: eng
Number of pages: 39
Subjects: Telegraph; Duplex system; Patents; Quadruplex system; Patent suits
Notes: Cover title.
Table of contents: title: Letters of George B. Prescott to the commissioner of patents; title: Letter of F.L. Pope to George B. Prescott; title: Copy of file wrapper and contents of T.A. Edison's patent, no. 162,633, dated April 27, 1875; title: Copy of application no. 99 dated August 19, 1874; title: Analysis of the two applications.