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OPTECH INC

US3 patents

Top patents by PatentIndex Score

US4686612AAug 11, 1987

Lamp reflector assembly

OPTECH INC12 citations70

US4692607ASep 8, 1987

Controlled color light source

OPTECH INC12 citations68

US4750097AJun 7, 1988

Lamp reflector assembly

OPTECH INC5 citations59