RB

Ronald W. Barnhart

EE Economy Engineering: 5 patents #1 of 4Top 25%
GI Genie Industries: 1 patents #14 of 26Top 55%
📍 Elmhurst, IL: #122 of 619 inventorsTop 20%
🗺 Illinois: #15,122 of 84,256 inventorsTop 20%
Overall (All Time): #890,569 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5447331 Vehicle axle oscillation system with positive ground contact 1995-09-05
4821835 Wheel suspension sensing system Evaldas Latvys 1989-04-18
4691795 Vehicle fluidic drive circuit Donald T. Wehmeyer 1987-09-08
4625830 Work platform centering apparatus Donald T. Wehmeyer, Craig Beymer 1986-12-02
4518061 Translating mobile work platform Donald T. Wehmeyer 1985-05-21
4427093 Locking device Donald T. Wehmeyer 1984-01-24