Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5546931 | Anesthetic-vapor delivery apparatus with an ambient-referenced pressure regulator | — | 1996-08-20 |
| 5230331 | Hot wire anemometer adapted for insertion in a calibration socket of a pulmonary gas flow monitor | Elliott Jacobson, Jon R. Bryan | 1993-07-27 |
| 5094246 | Hot wire anemometer and pulmonary gas flow monitor combination capable of fast accurate calibration | Elliott Jacobson, Jon R. Bryan | 1992-03-10 |
| 4770168 | Electrically controllable anesthesia vaporizer | W. Stetson Hallowell | 1988-09-13 |
| 4637385 | Pulmonary ventilator controller | — | 1987-01-20 |
| 4603691 | Pulmonary ventilator-bellows-assembly kit | — | 1986-08-05 |
| 4581945 | Pressure to voltage converter for measuring gas glow rates | — | 1986-04-15 |
| 4340044 | Volume ventilator | Donald J. Levy | 1982-07-20 |
| 4256100 | Flow control equipment | Donald J. Levy | 1981-03-17 |