Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D297570 | Protective sheath cover for a hypodermic syringe needle | William A. Ambrose | 1988-09-06 |
| 4636201 | Hypodermic syringe having a protective sheath cover | William A. Ambrose | 1987-01-13 |