Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7727237 | Bone clamp | Alec Birkbeck, Callum Colquhoun | 2010-06-01 |
| 4866938 | Master cylinder piston with floating sealing ring recuperation valve | Colm Keegan, Michael J. Hawker | 1989-09-19 |
| 4659275 | Barge tipper | — | 1987-04-21 |