Walton A. Perkins, III

General Motors: 1 patents #9,361 of 18,328Top 55%

📍 Troy, MI: #1,616 of 2,712 inventorsTop 60%

🗺 Michigan: #49,615 of 86,293 inventorsTop 60%

Overall (All Time): #4,056,277 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4399554	Method and apparatus for inspecting engine head valve retainer assemblies for missing keys	Lothar Rossol, Robert Dewar, James K. West	1983-08-16