Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4444548 | Suction apparatus | Harold W. Andersen, Charles H. Harrison | 1984-04-24 |
| D270281 | Medical tubing | Harold W. Andersen, Charles H. Harrison | 1983-08-23 |
| D268525 | Suction drainage device for surgical purposes | Harold W. Andersen, Charles H. Harrison | 1983-04-05 |