Assignee
HAMACHER MARTIN
7 granted patents·105 citations·filing 1975–1985
Top patents by PatentIndex Score
7 records- 0187US4312028AShockproof fluorescent light fixtureHAMACHER MARTIN·Filed 1979·Granted Jan 19, 1982·43 cites·8 claims
- 0271US4186432ALamp for use in subterranean applicationsHAMACHER MARTIN·Filed 1977·Granted Jan 29, 1980·29 cites·8 claims
- 0355US4698456AElectrical device for use in an explosive environmentHAMACHER MARTIN·Filed 1985·Granted Oct 6, 1987·18 cites·8 claims
- 0436US4423474AMine lampHAMACHER MARTIN·Filed 1981·Granted Dec 27, 1983·6 cites·12 claims
- 0531US3999057ALighting structureHAMACHER MARTIN·Filed 1975·Granted Dec 21, 1976·4 cites·4 claims
- 0630US4018500AJunction piece for electrical leadsHAMACHER MARTIN·Filed 1975·Granted Apr 19, 1977·3 cites·3 claims
- 0728US4430693AIlluminating device for underground miningHAMACHER MARTIN·Filed 1981·Granted Feb 7, 1984·2 cites·7 claims
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