Assignee
GORDON MACK
3 granted patents·411 citations·filing 1976–1979
Top patents by PatentIndex Score
3 records- 0196US4039254AElectro-optic welding lens assembly using multiple liquid crystal light shutters and polarizersGORDON MACK·Filed 1976·Granted Aug 2, 1977·164 cites·5 claims
- 0287US4241286AWelding helmet lens assemblyGORDON MACK·Filed 1979·Granted Dec 23, 1980·182 cites·6 claims
- 0368US4237557AControl system for welding helmet liquid crystal light shutterGORDON MACK·Filed 1979·Granted Dec 9, 1980·65 cites·3 claims
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