Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5733242 | Intubation system having an axially moveable memory cylinder | Scott Unice | 1998-03-31 |
| 4809706 | Incentive inhalation spirometer apparatus | Robert L. Watson | 1989-03-07 |
| 4446864 | Emergency ventilation tube | Robert L. Watson | 1984-05-08 |
| 4320754 | Controllable partial rebreathing anesthesia circuit and respiratory assist device | Robert L. Watson | 1982-03-23 |
| 4269194 | Carbon dioxide measurement from expired gases in a partial rebreathing anesthesia circuit | Robert L. Watson, Charles R. Elbel, Karl Schweickardt | 1981-05-26 |
| 4188946 | Controllable partial rebreathing anesthesia circuit and respiratory assist device | Robert L. Watson | 1980-02-19 |