Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875664 | Vibration attenuation | — | 1989-10-24 |
| 4846509 | Flexible joint means | — | 1989-07-11 |
| 4838736 | Resilient bush | — | 1989-06-13 |
| 4826145 | Resilient torsion bearing | Jerzy Poniatowski | 1989-05-02 |