DR

David A. Ruthmansdorfer

CE Cummins Engine: 2 patents #5 of 24Top 25%
📍 Columbus, IN: #3 of 26 inventorsTop 15%
🗺 Indiana: #84 of 1,070 inventorsTop 8%
Overall (1982): #15,154 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4348991 Dual coolant engine cooling system John H. Stang, Dean H. Reichenbach 1982-09-14
4343268 Energy conserving exhaust passage for an internal combustion engine John H. Stang, Walter A. Brighton 1982-08-10