DM

David R. Mc Mahan

General Motors: 3 patents #4,693 of 18,328Top 30%
📍 Anderson, IN: #95 of 360 inventorsTop 30%
🗺 Indiana: #10,625 of 33,936 inventorsTop 35%
Overall (All Time): #1,643,226 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5622421 Vehicle headlamp assembly with calibration restrictor Richard Turley, William W. Froehner 1997-04-22
5497301 Headlamp adjustment mechanism Mark L. Whittemore, Thomas B. Slick, Tom Sweetland, Steven V. Horsman, Carey D. Marks +3 more 1996-03-05
5251111 Composite headlamp vent device William E. Nagengast 1993-10-05