Individual holder
ROBERTSON CARL L
3 granted patents·36 citations·filing 1977–1983
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0139US4227267ACover for water closet seatROBERTSON CARL L·Filed 1979·Granted Oct 14, 1980·13 cites·10 claims
- 0238US4494262AWaterbed mattress coverROBERTSON CARL L·Filed 1983·Granted Jan 22, 1985·13 cites·7 claims
- 0334US4130906AWater closet lid coverROBERTSON CARL L·Filed 1977·Granted Dec 26, 1978·10 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →