JK

John D. Keersmaekers

General Motors: 1 patents #9,361 of 18,328Top 55%
📍 Big Rapids, MI: #191 of 351 inventorsTop 55%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,932,585 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4847768 Automatic engine oil change indicator system Ellen S. Schwartz, Donald John Smolenski, Christine M. Traylor, Gary J. Wallo 1989-07-11