Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640359 | Bitumen production through a horizontal well | Declan B. Livesey | 1987-02-03 |
| 4532994 | Well with sand control and stimulant deflector | David A. Redford, Declan B. Livesey, Roy Coates | 1985-08-06 |
| 4434054 | Filter for separating discrete solid elements from a fluid stream | Declan B. Livesey | 1984-02-28 |