Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10288052 | Helium management control system | Paul E. Dresens, Gary S. Ash, Allen J. Bartlett, Bruce R. Andeen, Joseph Chopy, Jr. | 2019-05-14 |
| 9334859 | Helium management control system | Paul E. Dresens, Gary S. Ash, Allen J. Bartlett, Bruce R. Andeen, Joseph Chopy, Jr. | 2016-05-10 |
| 8869552 | Helium management control system | Paul E. Dresens, Gary S. Ash, Allen J. Bartlett, Bruce R. Andeen, Joseph Chopy, Jr. | 2014-10-28 |
| 8261562 | Helium management control system | Paul E. Dresens, Gary S. Ash, Allen J. Bartlett, Bruce R. Andeen, Joseph Chopy, Jr. | 2012-09-11 |
| 7788942 | Helium management control system | Paul E. Dresens, Gary S. Ash, Allen J. Bartlett, Bruce R. Andeen, Joseph Chopy, Jr. | 2010-09-07 |
| 7127901 | Helium management control system | Paul E. Dresens, Gary S. Ash, Allen J. Bartlett, Bruce R. Andeen, Joseph Chopy, Jr. | 2006-10-31 |