Individual holder
DARBY JACK B
3 granted patents·76 citations·filing 1981–1986
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0185US4412828AControl means for shifting gears on dual shift bicyclesDARBY JACK B·Filed 1981·Granted Nov 1, 1983·51 cites·30 claims
- 0252US4728316AControl means for shifting gears on dual shift bicyclesDARBY JACK B·Filed 1986·Granted Mar 1, 1988·15 cites·25 claims
- 0342US4619631AControl means for shifting gears on dual shift bicyclesDARBY JACK B·Filed 1985·Granted Oct 28, 1986·10 cites·24 claims
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