Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7080655 | Regulator for low concentration corrosive and reactive gases | Tracey Jacksier, Robert Benesch, Bruce Talbert | 2006-07-25 |
| 6932238 | Non-refillable valve device | — | 2005-08-23 |
| 5842260 | Valve removal tool, gas cylinder recycle kit, and process for removing valves from gas cylinders | Emerson G. Todd, III, James F. Kampmeyer | 1998-12-01 |
| 5665894 | Instrument calibrating demand flow regulator | — | 1997-09-09 |
| D383406 | Instrument calibrating demand flow regulator | — | 1997-09-09 |
| 5467798 | Refill-preventing valve for non-refillable containers | V. Russell Henry | 1995-11-21 |