Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7255127 | Vacuum regulator and intermittent flow device | — | 2007-08-14 |
| 7089956 | Portable gas delivery device with impact protection | Brian R. Davidson, Goldshtrakh I. Lev | 2006-08-15 |
| 6328280 | Compressed gas regulator with torque limiting attachment knob | — | 2001-12-11 |
| 6286543 | Compressed gas regulator with flow control and internal gauge | — | 2001-09-11 |
| 6148841 | High pressure gas valve | — | 2000-11-21 |
| 6082396 | Compressed gas regulator with flow control and internal gauge | — | 2000-07-04 |
| 6026854 | Compressed gas regulator with flow control and internal gauge | — | 2000-02-22 |
| 5922975 | Multi-screen groundwater monitoring well system | Gilbert S. Butler | 1999-07-13 |
| 5785050 | Oxygen valve system | Brian R. Davidson | 1998-07-28 |