Assignee
HAVEL KAREL
CA·39 granted patents·4,014 citations·filing 1976–1995
Top patents by PatentIndex Score
39 records- 0199US4845481AContinuously variable color display deviceHAVEL KAREL·Filed 1986·Granted Jul 4, 1989·340 cites·8 claims
- 0299US4647217AVariable color digital timepieceHAVEL KAREL·Filed 1986·Granted Mar 3, 1987·301 cites·11 claims
- 0398US5656935AVariable color display systemHAVEL KAREL·Filed 1995·Granted Aug 12, 1997·124 cites·3 claims
- 0498US5475300AVariable color digital multimeterHAVEL KAREL·Filed 1994·Granted Dec 12, 1995·121 cites·2 claims
- 0598US5283517AVariable color digital multimeterHAVEL KAREL·Filed 1992·Granted Feb 1, 1994·147 cites·2 claims
- 0698US5122733AVariable color digital multimeterHAVEL KAREL·Filed 1990·Granted Jun 16, 1992·141 cites·4 claims
- 0798US5003298AVariable color digital display for emphasizing position of decimal pointHAVEL KAREL·Filed 1989·Granted Mar 26, 1991·228 cites·6 claims
- 0898US4934852AVariable color display typewriterHAVEL KAREL·Filed 1989·Granted Jun 19, 1990·165 cites·10 claims
- 0998US4824269AVariable color display typewriterHAVEL KAREL·Filed 1988·Granted Apr 25, 1989·156 cites·25 claims
- 1098US4707141AVariable color analog timepieceHAVEL KAREL·Filed 1987·Granted Nov 17, 1987·192 cites·7 claims
- 1198US4686425AMulticolor display deviceHAVEL KAREL·Filed 1986·Granted Aug 11, 1987·179 cites·2 claims
- 1297US5194854AMulticolor logic deviceHAVEL KAREL·Filed 1990·Granted Mar 16, 1993·207 cites·14 claims
- 1397US4965561AContinuously variable color optical deviceHAVEL KAREL·Filed 1989·Granted Oct 23, 1990·175 cites·6 claims
- 1497US4810937AMulticolor optical deviceHAVEL KAREL·Filed 1987·Granted Mar 7, 1989·148 cites·2 claims
- 1597US4794383AVariable color digital multimeterHAVEL KAREL·Filed 1986·Granted Dec 27, 1988·159 cites·10 claims
- 1697US4771274AVariable color digital display deviceHAVEL KAREL·Filed 1986·Granted Sep 13, 1988·207 cites·3 claims
- 1797US4705406AElectronic timepiece with physical transducerHAVEL KAREL·Filed 1986·Granted Nov 10, 1987·187 cites·11 claims
- 1897US4687340AElectronic timepiece with transducersHAVEL KAREL·Filed 1986·Granted Aug 18, 1987·187 cites·10 claims
- 1995US4845745ADisplay telephone with transducerHAVEL KAREL·Filed 1988·Granted Jul 4, 1989·183 cites·12 claims
- 2091US4702615AAnalog display timepieceHAVEL KAREL·Filed 1987·Granted Oct 27, 1987·74 cites·9 claims
- 2190US4734619ADisplay device with variable color backgroundHAVEL KAREL·Filed 1986·Granted Mar 29, 1988·68 cites·5 claims
- 2289US4086514AVariable color display deviceHAVEL KAREL·Filed 1976·Granted Apr 25, 1978·49 cites·3 claims
- 2375US4868496AVariable color comparison oscilloscopeHAVEL KAREL·Filed 1988·Granted Sep 19, 1989·25 cites·8 claims
- 2475US4684193AElectrical zero insertion force multiconnectorHAVEL KAREL·Filed 1986·Granted Aug 4, 1987·35 cites·9 claims
- 2572US4812744AVariable color analog voltmeterHAVEL KAREL·Filed 1986·Granted Mar 14, 1989·22 cites·12 claims
- 2669US4754202AMulticolor comparison displayHAVEL KAREL·Filed 1986·Granted Jun 28, 1988·19 cites·6 claims
- 2768US4726059AVariable color display telephoneHAVEL KAREL·Filed 1986·Granted Feb 16, 1988·25 cites·12 claims
- 2865US4785432ADigital display timepieceHAVEL KAREL·Filed 1987·Granted Nov 15, 1988·20 cites·3 claims
- 2964US4692612ASwitch position detector and indicator with multicolor light emitterHAVEL KAREL·Filed 1986·Granted Sep 8, 1987·13 cites·14 claims
- 3062US4797651AMulticolor comparator of digital signalsHAVEL KAREL·Filed 1986·Granted Jan 10, 1989·15 cites·19 claims
- 3161US4831326ADigital voltmeter with variable color backgroundHAVEL KAREL·Filed 1986·Granted May 16, 1989·17 cites·2 claims
- 3261US4775335AElectrical connectorHAVEL KAREL·Filed 1987·Granted Oct 4, 1988·20 cites·4 claims
- 3355US5561365ADigital color display systemHAVEL KAREL·Filed 1995·Granted Oct 1, 1996·11 cites·3 claims
- 3455US4791667AFirst dialed digit detector and comparatorHAVEL KAREL·Filed 1987·Granted Dec 13, 1988·14 cites·2 claims
- 3552US4804890AVariable color complementary display deviceHAVEL KAREL·Filed 1986·Granted Feb 14, 1989·16 cites·6 claims
- 3647US4777359APosition indicator with light emitter and two light sensorsHAVEL KAREL·Filed 1987·Granted Oct 11, 1988·7 cites·1 claims
- 3743US4716263AReciprocally actuated switch with rotatable contact selectorHAVEL KAREL·Filed 1987·Granted Dec 29, 1987·5 cites·6 claims
- 3841US5057768AMeasuring device with variable color displayHAVEL KAREL·Filed 1990·Granted Oct 15, 1991·10 cites·15 claims
- 3931US5003247AMeasuring device with variable color backgroundHAVEL KAREL·Filed 1990·Granted Mar 26, 1991·2 cites·7 claims
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