Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352200 | Non-reusable syringe with needle guard | Roy Hammett | 1994-10-04 |
| 5352202 | Non-reusable syringe with removable plunger usable as a needle guard | Roy Hammett | 1994-10-04 |