Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348991 | Dual coolant engine cooling system | John H. Stang, David A. Ruthmansdorfer | 1982-09-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348991 | Dual coolant engine cooling system | John H. Stang, David A. Ruthmansdorfer | 1982-09-14 |