| Patents for Thomas A. Edison |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 113,034 | Mar. 28, 1871 | T.A. Edison | Improvement in printing-telegraph apparatus |
 | 132,456 | Oct. 22, 1872 | T.A. Edison | Improvement in apparatus for perforating paper for telegraphic use |
| | 195,751 | Oct. 02, 1877 | T.A. Edison | Automatic Telegraph |
| | 200,032 | Feb. 05, 1878 | T.A. Edison | Synchronous Movements for Electric Telegraphs |
| | 248,435 | Oct. 18, 1881 | T.A. Edison | Utilizing Electricity as Motive Power |
| | 251,541 | Dec. 27, 1881 | T.A. Edison | Electric Magnetic Motor |
| | 273,490 | Mar. 06, 1883 | T.A. Edison | Electro Magnetic Railway System |
| | 287,511 | Oct. 30, 1883 | T.A. Edison | Electric Regulator |
| | 333,289 | Dec. 29, 1885 | T.A. Edison | Telegraphy |
| | 333,290 | Dec. 29, 1885 | T.A. Edison | Duplex Telegraphy |
