Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624400 | Disposable self-shielding aspirating syringe | John R. Firth | 1997-04-29 |
| 5616134 | Disposable self-shielding hypodermic syringe | John R. Firth, Ronald A. Meyer | 1997-04-01 |