Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883198 | Container and method for dispensing semi-solid substances | — | 1989-11-28 |
| 4823167 | Catheter calibration device | Roger G. Bickelhaupt | 1989-04-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883198 | Container and method for dispensing semi-solid substances | — | 1989-11-28 |
| 4823167 | Catheter calibration device | Roger G. Bickelhaupt | 1989-04-18 |