Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691577 | Reflector-pump network for preempting AC power supply harmonic distortion and for satiating the complex harmonic power demand of a rectifier | — | 1997-11-25 |
| 5610818 | Remote operated computer assisted precise pile driving and rig drilling system | Neil Ackroyd, Gary Sedman Chisholm, Robert G. Culling, Brent O'Meagher | 1997-03-11 |