Individual holder
BARRA JAMES M
US·3 granted patents·28 citations·filing 1987–1990
Individually held — no corporate assignee on record.
Technology mixA63F3
Top patents by PatentIndex Score
3 records- 0142US5060941AElectronic reaction-time game toyBARRA JAMES M·Filed 1990·Granted Oct 29, 1991·13 cites·20 claims
- 0239US4913432AElectromechanical reaction-time game toyBARRA JAMES M·Filed 1988·Granted Apr 3, 1990·9 cites·21 claims
- 0332US4789155ACompetitive reaction-time game toyBARRA JAMES M·Filed 1987·Granted Dec 6, 1988·6 cites·24 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →