RR

Richard Rohfritch

AC Afton Chemical: 1 patents #130 of 222Top 60%
📍 Diemelstraße, TX: #689 of 1,115 inventorsTop 65%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,383,650 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7207308 Filterless crankcase lubrication system for a vehicle David Venhaus, Robert Shama, James Horvath, Dewey P. Szemenyei, Danny Pridemore 2007-04-24