DS

Donald John Smolenski

General Motors: 1 patents #107 of 586Top 20%
📍 Grosse Pointe, MI: #2 of 9 inventorsTop 25%
🗺 Michigan: #694 of 3,452 inventorsTop 25%
Overall (1989): #118,955 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

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