Individual holder
CHAN MARY K
US·3 granted patents·48 citations·filing 1985–1989
Individually held — no corporate assignee on record.
Technology mixG09F1
Top patents by PatentIndex Score
3 records- 0164USD297820SParking space marker for holding keysCHAN MARY K·Filed 1985·Granted Sep 27, 1988·13 cites·1 claims
- 0255US4958454AData recorderCHAN MARY K·Filed 1989·Granted Sep 25, 1990·26 cites·8 claims
- 0355USD307215SKey-holder parking-space recorderCHAN MARY K·Filed 1987·Granted Apr 17, 1990·9 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →