Assignee

BONNARD RENE

FR·1 granted patent·34 citations·filing 1988–1988

Technology mixB62K1 B62M1 G05G1

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0166US4887990AGear-shift control bicycles and similar vehiclesBONNARD RENE·Filed 1988·Granted Dec 19, 1989·34 cites·12 claims

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