Volta Laboratory and Bureau - Laboratory Patents

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

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