Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629632 | Apparatus and method for manufacturing hollow shafts | Robert G. J. Jack | 2003-10-07 |
| 4634536 | Separating systems | Geoffrey L. Grimwood | 1987-01-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629632 | Apparatus and method for manufacturing hollow shafts | Robert G. J. Jack | 2003-10-07 |
| 4634536 | Separating systems | Geoffrey L. Grimwood | 1987-01-06 |