Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846121 | Variable friction roller tappets | — | 1989-07-11 |
| 4751835 | Method of manufacturing variable diameter driveshaft | Georg W. Somborn | 1988-06-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846121 | Variable friction roller tappets | — | 1989-07-11 |
| 4751835 | Method of manufacturing variable diameter driveshaft | Georg W. Somborn | 1988-06-21 |