Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880086 | Adjustable vibration damper | Heinz Knecht | 1989-11-14 |
| 4802561 | Adjustable shock absorber | Heinz Knecht | 1989-02-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880086 | Adjustable vibration damper | Heinz Knecht | 1989-11-14 |
| 4802561 | Adjustable shock absorber | Heinz Knecht | 1989-02-07 |