Assignee
INT AUDIO VISUAL INC
6 granted patents·104 citations·filing 1975–1977
Top patents by PatentIndex Score
6 records- 0187US4000503ACold cathode for infrared image tubeINT AUDIO VISUAL INC·Filed 1976·Granted Dec 28, 1976·33 cites·11 claims
- 0274US4139165AParallel-feed tape spooling apparatus for concurrent winding of magnetic tapes onto a plurality of spools of the type used in endless tape cartridgesINT AUDIO VISUAL INC·Filed 1977·Granted Feb 13, 1979·18 cites·20 claims
- 0368US4174247AApparatus for splicing the ends of magnetic tape wound on spools of the type used in endless tape cartridgesINT AUDIO VISUAL INC·Filed 1977·Granted Nov 13, 1979·13 cites·19 claims
- 0467US4085296AModulated sound reading systemINT AUDIO VISUAL INC·Filed 1975·Granted Apr 18, 1978·20 cites·9 claims
- 0557US4032370AMethod of forming an epitaxial layer on a crystalline substrateINT AUDIO VISUAL INC·Filed 1976·Granted Jun 28, 1977·18 cites·20 claims
- 0636US4152052AMotion picture optical systemINT AUDIO VISUAL INC·Filed 1976·Granted May 1, 1979·2 cites·11 claims
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