Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6575244 | System for controlling the operating pressures within a subterranean borehole | Lingo Chang, Roger Suter | 2003-06-10 |
| 6574652 | Intrinsically safe communication and control system for use in hazardous locations including monotoring device with intrinsically safe fluorescent tube backlit | — | 2003-06-03 |