Inventor · disambiguated record
Roger L. Johnsen
Also filed as: JOHNSEN ROGER L
4 granted patents·68 citations·filing 1991–2005
78Inventor score
Top patents by PatentIndex Score
4 records- 0174US7300068B1Trailer coupler integral keyed lockJOHNSEN ROGER L·Filed 2005·Granted Nov 27, 2007·16 cites·12 claims
- 0258US5303971ATailgate release handle security deviceSTEADFAST CORP·Filed 1992·Granted Apr 19, 1994·20 cites·12 claims
- 0350US5104171ATailgate guard assemblySTEADFAST CORP·Filed 1991·Granted Apr 14, 1992·19 cites·5 claims
- 0438US6318135B1Tailgate locking assemblyFiled 1999·Granted Nov 20, 2001·13 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →