Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8928329 | Cold cathode gauge fast response signal circuit | Bert J. Downing, Donghua Gu | 2015-01-06 |
| 6756785 | Pressure controlled degas system for hot cathode ionization pressure gauges | Stacy Wade | 2004-06-29 |
| 5198772 | Removable discharge initiating means for cold cathode discharge ionization gauge | Roy N. Peacock | 1993-03-30 |
| 5157333 | Discharge initiating means for cold cathode discharge ionization gauge | Roy N. Peacock | 1992-10-20 |