Assignee
VISUAL INF INST INC
US·18 granted patents·425 citations·filing 1975–1987
Top patents by PatentIndex Score
18 records- 0196US4627483AHeat pump control systemVISUAL INF INST INC·Filed 1984·Granted Dec 9, 1986·102 cites·39 claims
- 0294US4627484AHeat pump control system with defrost cycle monitoringVISUAL INF INST INC·Filed 1984·Granted Dec 9, 1986·73 cites·28 claims
- 0387US4568975AMethod for measuring the gray scale characteristics of a CRT displayVISUAL INF INST INC·Filed 1984·Granted Feb 4, 1986·46 cites·16 claims
- 0480USD276444SDesk organizer trayVISUAL INF INST INC·Filed 1982·Granted Nov 20, 1984·20 cites·1 claims
- 0577US3991388AStart-stop transistor colpitts oscillator circuitVISUAL INF INST INC·Filed 1975·Granted Nov 9, 1976·24 cites·5 claims
- 0671US4670782ATelevision video pattern generator systemVISUAL INF INST INC·Filed 1985·Granted Jun 2, 1987·27 cites·24 claims
- 0770US4852360AHeat pump control systemVISUAL INF INST INC·Filed 1987·Granted Aug 1, 1989·37 cites·8 claims
- 0870US4533950AMethod of testing the linearity of a raster scanVISUAL INF INST INC·Filed 1983·Granted Aug 6, 1985·20 cites·25 claims
- 0969USD275406SPencil holderVISUAL INF INST INC·Filed 1982·Granted Sep 4, 1984·12 cites·1 claims
- 1056USD275968SDesk trayVISUAL INF INST INC·Filed 1982·Granted Oct 16, 1984·7 cites·1 claims
- 1155US4536793APulse stretching circuit for a raster displayVISUAL INF INST INC·Filed 1983·Granted Aug 20, 1985·12 cites·16 claims
- 1250US4536792AMethod and apparatus for testing a CRT display under beam duty cycle variationVISUAL INF INST INC·Filed 1983·Granted Aug 20, 1985·9 cites·23 claims
- 1350US4000428AElectronic switchVISUAL INF INST INC·Filed 1975·Granted Dec 28, 1976·6 cites·6 claims
- 1449US4417275ASelectable rate sync generator systemVISUAL INF INST INC·Filed 1980·Granted Nov 22, 1983·10 cites·12 claims
- 1545US4518995ASelectable rate sync generator systemVISUAL INF INST INC·Filed 1983·Granted May 21, 1985·8 cites·5 claims
- 1643US4509079AInterlace detectorVISUAL INF INST INC·Filed 1983·Granted Apr 2, 1985·6 cites·14 claims
- 1738US3979741APower loss alarm systemVISUAL INF INST INC·Filed 1975·Granted Sep 7, 1976·4 cites·6 claims
- 1835USD276169SDesk tray for holding note paperVISUAL INF INST INC·Filed 1982·Granted Oct 30, 1984·2 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →