Assignee
TSAI ALLAN
TW·4 granted patents·140 citations·filing 1987–1992
Top patents by PatentIndex Score
4 records- 0175US4937920AAttachment deviceTSAI ALLAN·Filed 1989·Granted Jul 3, 1990·49 cites·7 claims
- 0271US4818134ACleaning pen for cleaning spectacle lensesTSAI ALLAN·Filed 1987·Granted Apr 4, 1989·38 cites·1 claims
- 0367US4927284APen-like eyeglass cleanerTSAI ALLAN·Filed 1989·Granted May 22, 1990·31 cites·6 claims
- 0452US5240105AMulti-purpose eyeglasses pouchTSAI ALLAN·Filed 1992·Granted Aug 31, 1993·22 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →