Inventor · disambiguated record
Stephen J. Campbell
Also filed as: CAMPBELL STEPHEN J · CAMPBELL STEPHEN JAMES
4 granted patents·147 citations·filing 1980–1999
80Inventor score
Top patents by PatentIndex Score
4 records- 0161US5375381ABuilding kitHEARTLAND IND INC·Filed 1993·Granted Dec 27, 1994·37 cites·8 claims
- 0248US7006994B1Automated receivables management systemAMERICAN MAN SYS INC·Filed 1999·Granted Feb 28, 2006·81 cites·22 claims
- 0348US4894963ABuilding kitHEARTLAND IND INC·Filed 1988·Granted Jan 23, 1990·20 cites·3 claims
- 0447US4336583AControlled inductive storage DC-to-DC converterPOLAROID CORP·Filed 1980·Granted Jun 22, 1982·9 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →