Assignee
BALL DOUGLAS
5 granted patents·330 citations·filing 1977–1994
Top patents by PatentIndex Score
5 records- 0198US4119163ACurb climbing wheel chairBALL DOUGLAS·Filed 1977·Granted Oct 10, 1978·138 cites·11 claims
- 0295US4403673APowered vehicleBALL DOUGLAS·Filed 1981·Granted Sep 13, 1983·125 cites·8 claims
- 0377US5177912AComputer workstationBALL DOUGLAS·Filed 1990·Granted Jan 12, 1993·41 cites·10 claims
- 0473USD329150SComputer work stationBALL DOUGLAS·Filed 1990·Granted Sep 8, 1992·16 cites·1 claims
- 0562USD368180SComputer workstationBALL DOUGLAS·Filed 1994·Granted Mar 26, 1996·10 cites·1 claims
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