DS

David R. Stamy

DL Dana Limited: 1 patents #464 of 1,099Top 45%
MU Mahle Engine Components Usa: 1 patents #2 of 7Top 30%
📍 Hillsdale, MI: #23 of 53 inventorsTop 45%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,152,107 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7461583 Variable tension ring mechanism Joseph C. Hamelink, Jack Lewis 2008-12-09
6484622 Variable oil ring tension mechanism Joseph C. Hamelink 2002-11-26