Individual holder
CAMPBELL ROBERT K
US·2 granted patents·1 pending application·33 citations·filing 1989–2007
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0161US2009240039A1Polypeptide fusionCAMPBELL ROBERT K·Filed 2007·Application pending·0 cites
- 0237US4985928ASignature forgery detection deviceCAMPBELL ROBERT K·Filed 1989·Granted Jan 15, 1991·22 cites·4 claims
- 0331US4907080AVideo signature comparator and methodCAMPBELL ROBERT K·Filed 1989·Granted Mar 6, 1990·11 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →