Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D305150 | Intravenous pump cassette | — | 1989-12-19 |
| 4842584 | Disposable fluid infusion pumping chamber cassette and drive mechanism thereof | — | 1989-06-27 |
| 4821558 | Ultrasonic detector | George Fellingham, Michael W. Lawless | 1989-04-18 |
| 4818186 | Drive mechanism for disposable fluid infusion pumping cassette | Leland D. Chamness, George Fellingham, Walter L. Jimison | 1989-04-04 |