| 5672368 |
Beverage bag and method of use |
— |
1997-09-30 |
| 5370112 |
Method and means for powering portable oxygen supply systems |
— |
1994-12-06 |
| 5038770 |
Fail-safe systems for respirating gas delivery devices |
— |
1991-08-13 |
| 5005570 |
Method and means for dispensing respirating gases by effecting a known displacement |
— |
1991-04-09 |
| 4932401 |
Two-gas variable ratio, variable dose, metering system and method of use |
— |
1990-06-12 |
| 4873971 |
Method and means for dispensing respirating gases by effecting a known displacement |
— |
1989-10-17 |
| 4832014 |
Method and means for dispensing two respirating gases by effecting a known displacement |
— |
1989-05-23 |
| 4705034 |
Method and means for dispensing respirating gases by effecting a known displacement |
— |
1987-11-10 |
| D287050 |
Portable oxygen therapy unit |
Mark T. Novak |
1986-12-02 |
| D287051 |
Portable oxygen therapy unit |
Mark T. Novak |
1986-12-02 |
| 4570819 |
Fill means for cryogenic flasks |
Mark T. Novak |
1986-02-18 |
| 4541276 |
Contents gage |
— |
1985-09-17 |
| 4462223 |
Method and means for preventing coupling freezing |
— |
1984-07-31 |