Laboratory Patents
Patents which resulted or flowed from the Volta Laboratory Association:
| Patent | Year | Patent name | Inventors |
|---|---|---|---|
| U.S. Patent 229,495 | 1880 | Telephone call register | C. S. Tainter |
| U.S. Patent 235,496 | 1880 | Photophone transmitter | A. G. Bell C. S. Tainter |
| U.S. Patent 235,497 | 1880 | Selenium cells | A. G. Bell C. S. Tainter |
| U.S. Patent 235,590 | 1880 | Selenium cells | C. S. Tainter |
| U.S. Patent 241,909 | 1881 | Photophonic receiver | A. G. Bell C. S. Tainter |
| U.S. Patent 243,657 | 1881 | Telephone transmitter | C. S. Tainter |
| U.S. Patent 289,725 | 1883 | Electric conductor | C. S. Tainter |
| U.S. Patent 336,081 | 1886 | Transmitter for electric telephone lines | C. A. Bell |
| U.S. Patent 336,082 | 1886 | Jet microphone for transmitting sounds by means of jets | C. A. Bell |
| U.S. Patent 336,083 | 1886 | Telephone transmitter | C. A. Bell |
| U.S. Patent 336,173 | 1886 | Telephone transmitter | C. S. Tainter |
| U.S. Patent 341,212 | 1886 | Reproducing sounds from phonograph records | A. G. Bell C. A. Bell C. S. Tainter |
| U.S. Patent 341,213 | 1886 | Reproducing and recording sounds by radiant energy | A. G. Bell C. A. Bell C. S. Tainter |
| U.S. Patent 341,214 | 1886 | Recording and reproducing speech and other sounds | C. A. Bell C. S. Tainter |
| U.S. Patent 341,287 | 1886 | Recording and reproducing sounds | C. S. Tainter |
| U.S. Patent 341,288 | 1886 | Apparatus for recording and reproducing sounds | C. S. Tainter |
| U.S. Patent 374,133 | 1887 | Paper cylinder for graphophonic records | C. S. Tainter |
| U.S. Patent 375,579 | 1887 | Apparatus for recording and reproducing speech... | C. S. Tainter |
| U.S. Patent 380,535 | 1888 | Graphophone | C. S. Tainter |
| U.S. Patent 385,886 | 1888 | Graphophone | C. S. Tainter |
| U.S. Patent 385,887 | 1888 | Graphophonic tablet | C. S. Tainter |
| U.S. Patent 388,462 | 1888 | Machine for making paper tubes | C. S. Tainter |
| U.S. Patent 392,763 | 1888 | Mounting for diaphragms for acoustical instruments | C. S. Tainter |
| U.S. Patent 393,190 | 1888 | Tablet for use in graphophones | C. S. Tainter |
| U.S. Patent 393,191 | 1888 | Support for graphophonic tablets | C. S. Tainter |
| U.S. Patent 416,969 | 1889 | Speed regulator | C. S. Tainter |
| U.S. Patent 421,450 | 1890 | Graphophone tablet | C. S. Tainter |
| U.S. Patent 428,646 | 1890 | Machine for the manufacture of wax coated tablets... | C. S. Tainter |
| U.S. Patent 506,348 | 1893 | Coin controlled graphophone | C. S. Tainter |
| U.S. Patent 510,656 | 1893 | Reproducer for graphophones | C. S. Tainter |
| U.S. Patent 670,442 | 1901 | Graphophone record duplicating machine | C. S. Tainter |
| U.S. Patent 730,986 | 1903 | Graphophone | C. S. Tainter |
Read more about this topic: Volta Laboratory And Bureau
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—Polly Berrien Berends (20th century)
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