VD

Vernon M. Daffron

DL Dana Limited: 1 patents #464 of 1,099Top 45%
TP Trw Automotive Products: 1 patents #5 of 7Top 75%
📍 Ellisville, MO: #34 of 88 inventorsTop 40%
🗺 Missouri: #8,863 of 23,789 inventorsTop 40%
Overall (All Time): #2,166,799 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7017914 Piston assembly and method of manufacture Steven J. Sytsma, John C. Lahrman 2006-03-28
4579351 Dual spring expander for oil control piston rings — 1986-04-01