Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304154 | Retractable syringe | Walter W. Gloyer | 1994-04-19 |
| 5112315 | Retractable syringe | Walter W. Gloyer | 1992-05-12 |
| 4747830 | Anti-stick contagion free disposable hypodermic safety syringe | Walter W. Gloyer | 1988-05-31 |