Assignee
SPECTRADYNE INC
10 granted patents·603 citations·filing 1973–1995
Top patents by PatentIndex Score
10 records- 0195US4057829ACommunications TV monitoring and control systemSPECTRADYNE INC·Filed 1975·Granted Nov 8, 1977·138 cites·11 claims
- 0291US4360828AHotel/motel power load control and bilateral signalling apparatusSPECTRADYNE INC·Filed 1978·Granted Nov 23, 1982·123 cites·7 claims
- 0387US5475740ASystem for accessing and paying for amenities using a telephoneSPECTRADYNE INC·Filed 1993·Granted Dec 12, 1995·154 cites·45 claims
- 0483US5767894AVideo distribution systemSPECTRADYNE INC·Filed 1995·Granted Jun 16, 1998·70 cites·15 claims
- 0577US3944742ABurst frequency shift keying data communication systemSPECTRADYNE INC·Filed 1974·Granted Mar 16, 1976·31 cites·15 claims
- 0667US5323448ASystem for accessing amenities through a public telephone networkSPECTRADYNE INC·Filed 1993·Granted Jun 21, 1994·39 cites·20 claims
- 0765US4985761ACurrent detection circuit and methodSPECTRADYNE INC·Filed 1989·Granted Jan 15, 1991·21 cites·15 claims
- 0861US3952298AClock gated digital data encoding circuitSPECTRADYNE INC·Filed 1975·Granted Apr 20, 1976·14 cites·7 claims
- 0955USD288926SMulti-channel television converterSPECTRADYNE INC·Filed 1984·Granted Mar 24, 1987·6 cites·1 claims
- 1047US3942117AAll saturated switching mode solid state RF amplifierSPECTRADYNE INC·Filed 1973·Granted Mar 2, 1976·7 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →