Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9909670 | Modified vacuum actuated valve assembly and sealing mechanism for improved flow stability for fluids sub-atmospherically dispensed from storage and delivery systems | Douglas C. Heiderman, Ashwini K. Sinha, Andrew D. Vassallo | 2018-03-06 |
| 6000423 | Gas pressure maintenance booster system | Bruce D. Roloson, Ewan Choroszylow, Giovanni Aquino, Robert W. Stiles, Jr. | 1999-12-14 |
| 5769619 | Tracked rotary positive displacement device | Giovanni Aquino, Ewan Choroszylow | 1998-06-23 |
| 5673735 | Process for storing and delivering gas | Douglas B. Armstrong | 1997-10-07 |