Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662142 | Valve flapper with bands of different deflectibility | — | 1997-09-02 |
| 5467766 | Valve for a pressure breathing system which accomplishes the Valsalva maneuver | David N. Pennell | 1995-11-21 |
| 4787925 | Gas filter canister housing assembly | — | 1988-11-29 |
| 4664108 | Oxygen supply system and device therefor | — | 1987-05-12 |
| 4651731 | Self-contained portable single patient ventilator/resuscitator | Reno L. Vicenzi | 1987-03-24 |
| 4622963 | Self-contained portable single patient ventilator/resuscitator | — | 1986-11-18 |
| 4606340 | Combined pressure compensating exhalation and anti-suffocation valve | — | 1986-08-19 |
| 4550044 | Ballistic resistant armor panel and method of constructing the same | Isadore Rosenberg | 1985-10-29 |
| 4522639 | Unified filter and connector housing assembly incorporating a diversion valve | James H. Ryder | 1985-06-11 |
| 4506667 | Self-contained ventilator/resuscitator | — | 1985-03-26 |
| 4494538 | Mask assembly | — | 1985-01-22 |
| 4419110 | Gas filter container | J. A. Van Haastert, James D. Cleary | 1983-12-06 |