Assignee
LIGHTING SYSTEMS INC
US·15 granted patents·249 citations·filing 1975–1984
Top patents by PatentIndex Score
15 records- 0197US4605993ARecharging spot/flood lanternLIGHTING SYSTEMS INC·Filed 1984·Granted Aug 12, 1986·95 cites·9 claims
- 0281USD244876SCombined portable fluorescent and incandescent lightLIGHTING SYSTEMS INC·Filed 1975·Granted Jun 28, 1977·16 cites·1 claims
- 0376USD247457SPortable lightLIGHTING SYSTEMS INC·Filed 1976·Granted Mar 7, 1978·12 cites·1 claims
- 0475US4181928APortable spot/flood lightLIGHTING SYSTEMS INC·Filed 1977·Granted Jan 1, 1980·25 cites·6 claims
- 0575USD251267SCombined portable spot and flood lightLIGHTING SYSTEMS INC·Filed 1978·Granted Mar 6, 1979·12 cites·1 claims
- 0662USD251631SCombined portable spot and flood lightLIGHTING SYSTEMS INC·Filed 1978·Granted Apr 17, 1979·7 cites·1 claims
- 0761US4512098ASign frame and method for factory installing flexible sign facing material thereonLIGHTING SYSTEMS INC·Filed 1983·Granted Apr 23, 1985·24 cites·20 claims
- 0860US4233655ASpotlightLIGHTING SYSTEMS INC·Filed 1978·Granted Nov 11, 1980·15 cites·20 claims
- 0959USD256845SPortable spotlightLIGHTING SYSTEMS INC·Filed 1978·Granted Sep 9, 1980·6 cites·1 claims
- 1058USD251268SCombined portable spot and flood lightLIGHTING SYSTEMS INC·Filed 1978·Granted Mar 6, 1979·6 cites·1 claims
- 1158USD251269SCombined portable spot and flood lightLIGHTING SYSTEMS INC·Filed 1978·Granted Mar 6, 1979·6 cites·1 claims
- 1252US4023067AInverter ballast circuitLIGHTING SYSTEMS INC·Filed 1975·Granted May 10, 1977·12 cites·16 claims
- 1344USD247690SCombined portable fluorescent light and power pack thereforLIGHTING SYSTEMS INC·Filed 1976·Granted Apr 4, 1978·3 cites·1 claims
- 1440US4218637AFlasher circuitLIGHTING SYSTEMS INC·Filed 1978·Granted Aug 19, 1980·7 cites·7 claims
- 1533US4383145AMatrix switchLIGHTING SYSTEMS INC·Filed 1981·Granted May 10, 1983·3 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →