Assignee
PALCO TELECOM INC
US·11 granted patents·75 citations·filing 1988–1990
Top patents by PatentIndex Score
11 records- 0163US4896348APaystation monitor circuit to prevent fraudulent usePALCO TELECOM INC·Filed 1988·Granted Jan 23, 1990·27 cites·7 claims
- 0248US4942748ASecurity mechanism for telephone paystationsPALCO TELECOM INC·Filed 1989·Granted Jul 24, 1990·10 cites·8 claims
- 0340US4815123ACoin-operated telephone apparatusPALCO TELECOM INC·Filed 1988·Granted Mar 21, 1989·9 cites·5 claims
- 0439US4852373ALock protector assemblyPALCO TELECOM INC·Filed 1989·Granted Aug 1, 1989·8 cites·9 claims
- 0536US4988860AElectronic trigger for prepay type telephone paystationsPALCO TELECOM INC·Filed 1990·Granted Jan 29, 1991·12 cites·11 claims
- 0632US4831650AAdaptive telephone receive controlPALCO TELECOM INC·Filed 1988·Granted May 16, 1989·3 cites·14 claims
- 0732US4821313APaystation transmitter ground detect circuitryPALCO TELECOM INC·Filed 1988·Granted Apr 11, 1989·2 cites·5 claims
- 0830US4922525APaystation theft inhibiting circuitPALCO TELECOM INC·Filed 1989·Granted May 1, 1990·1 cites·6 claims
- 0930US4809319ACoin-operated telephone apparatusPALCO TELECOM INC·Filed 1988·Granted Feb 28, 1989·2 cites·6 claims
- 1029US4938547ASimplified metal housing for telephone paystationPALCO TELECOM INC·Filed 1989·Granted Jul 3, 1990·0 cites·10 claims
- 1125US4903294ALow voltage operated coin relayPALCO TELECOM INC·Filed 1989·Granted Feb 20, 1990·1 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →