Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396956 | Well head isolation tool sealing nipple testing apparatus and method of pressure testing isolation tool sealing nipple seals when in position on a well | Bruce CHEREWYK, Roderick D. McLeod | 1995-03-14 |
| 5261487 | Packoff nipple | Roderick D. McLeod | 1993-11-16 |
| 5103900 | High pressure adapter for well-heads | Roderick D. McLeod | 1992-04-14 |