RE

Robert D. Ervin

University of Michigan: 1 patents #1,906 of 4,352Top 45%
📍 Plymouth, MI: #439 of 1,052 inventorsTop 45%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,255,273 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5992582 Electrorheological rotary pure-shear damping devices Zheng Lou, Frank E. Filisko, Christopher B. Winkler 1999-11-30
4962457 Intelligent vehicle-highway system Kan-Yueh Chen 1990-10-09