Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653289 | Adjustable jackup drilling system hanger | Stanley Hosie, Iain MacPherson Oswald, Calum J. B. Dinnes | 1997-08-05 |
| 5439061 | Adjustable surface well head casing hanger | Norman Brammer, Calum J. B. Dinnes, Stanley Hosie | 1995-08-08 |