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SIGMA KK

JP3 patents

Top patents by PatentIndex Score

US4478407AOct 23, 1984

Monitor game machine

SIGMA KK73 citations92

US4840290AJun 20, 1989

Bulk loaded coin dispensing machine

SIGMA KK42 citations89

US4923430AMay 8, 1990

Coin payout apparatus in gaming device

SIGMA KK13 citations69