Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4498473 | Variable stiffness tracheal tube | — | 1985-02-12 |
| 4473082 | Lung exerciser with variable resistance | — | 1984-09-25 |
| 4449693 | Catheter check valve | — | 1984-05-22 |
| 4361107 | Overinflation indicator for tracheal tubes | — | 1982-11-30 |
| 4351331 | Endotracheal tube holder and bite block | — | 1982-09-28 |
| 4347853 | Cycle counter for lung exerciser | Robert Rightler | 1982-09-07 |
| 4345605 | Lung exerciser | — | 1982-08-24 |
| 4275732 | Suction canister with membrane shut-off valve | — | 1981-06-30 |