DA

David M. Augspurger

📍 Birmingham, MI: #518 of 851 inventorsTop 65%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,827,660 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5224566 Driving under the influence prevention, and methods of constructing and utilizing same Gary L. Stepanian, Robert D. Shimmin 1993-07-06