Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7004840 | Internal balance correction device for vehicular driveshaft assembly | James A. Duggan | 2006-02-28 |
| 5261991 | Composite tubular elements and methods of fabrication | John A. Beckman | 1993-11-16 |
| 5127975 | Method of fabrication of composite reinforced drive shaft having end fittings secured thereto | John A. Beckman | 1992-07-07 |
| 4888224 | Composite tubular elements and methods of fabrication | John A. Beckman | 1989-12-19 |
| 4527978 | Driveshaft | — | 1985-07-09 |
| 4377312 | Bearing seal | — | 1983-03-22 |