Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5148719 | Torsional-vibration damper | Herbert Ampferer | 1992-09-22 |
| 4974569 | Cylinder block and crankcase | Herbert Ampferer, Thomas Brachert | 1990-12-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5148719 | Torsional-vibration damper | Herbert Ampferer | 1992-09-22 |
| 4974569 | Cylinder block and crankcase | Herbert Ampferer, Thomas Brachert | 1990-12-04 |