Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874338 | Hydraulic piston locking device | Preston Smith | 2005-04-05 |
| 6520067 | Hydraulic piston locking device | Preston Smith | 2003-02-18 |
| 6510895 | Energized sealing cartridge for annulus sealing between tubular well components | Bashir M. Koleilat, David Cain, Qiu Zheng | 2003-01-28 |
| 5383197 | Laser and an amplifier | Colin A. Millar, Michael C. Brierley | 1995-01-17 |
| 5029971 | Optical fibre locating apparatus | Iain D. Miller | 1991-07-09 |