JA

John W. Altenburger

General Motors: 1 patents #9,361 of 18,328Top 55%
📍 Dearborn, MI: #886 of 1,494 inventorsTop 60%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,911,957 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4958654 Check valve with ephemeral seal Charles T. Hoffman, Jr., John A. Ramos 1990-09-25