RJ

Roger L. Johnsen

ST Steadfast: 2 patents #5 of 10Top 50%
Overall (All Time): #1,256,602 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7300068 Trailer coupler integral keyed lock 2007-11-27
6318135 Tailgate locking assembly Calvin S. Wang 2001-11-20
5303971 Tailgate release handle security device Dimiter S. Zagoroff 1994-04-19
5104171 Tailgate guard assembly Dimiter S. Zagaroff 1992-04-14