Assignee
KEYSTONE LIGHTING CORP
4 granted patents·50 citations·filing 1977–1984
Top patents by PatentIndex Score
4 records- 0154US4504891AFluorescent lamp systemKEYSTONE LIGHTING CORP·Filed 1984·Granted Mar 12, 1985·31 cites·21 claims
- 0253US4149226ALight fixtureKEYSTONE LIGHTING CORP·Filed 1977·Granted Apr 10, 1979·12 cites·15 claims
- 0344USD253309SHousing for light fixtureKEYSTONE LIGHTING CORP·Filed 1977·Granted Oct 30, 1979·3 cites·1 claims
- 0434US4280724ASpring latchKEYSTONE LIGHTING CORP·Filed 1979·Granted Jul 28, 1981·4 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →