Assignee
CHAN DAVID M
3 granted patents·158 citations·filing 1988–1990
Technology mixA63C2
Top patents by PatentIndex Score
3 records- 0195US4930794AToy skateboard with steerable truck assembliesCHAN DAVID M·Filed 1988·Granted Jun 5, 1990·99 cites·5 claims
- 0287USD311451SKeychainCHAN DAVID M·Filed 1988·Granted Oct 23, 1990·27 cites·1 claims
- 0369US5052702AToy skateboard with steerable truck assembliesCHAN DAVID M·Filed 1990·Granted Oct 1, 1991·32 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →