Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4589436 | Oxygen partial pressure controller for a pressure swing adsorption system | Russell F. Hart | 1986-05-20 | $11,866,000 |
| 4567909 | Oxygen partial pressure controller for a pressure swing adsorption system | Russell F. Hart | 1986-02-04 | $11,939,000 |
| 4499914 | Selector valve for an aircraft on board oxygen generation system with high pressure oxygen backup | — | 1985-02-19 | $3,547,000 |