Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820605 | Retractable syringe | Brian D. Zdeb | 1998-10-13 |
| 5645535 | Retractable syringe | — | 1997-07-08 |
| 5393301 | Retractable syringe | — | 1995-02-28 |
| 5131787 | Tire mat and method of construction | — | 1992-07-21 |
| 4801217 | Construction mat formed from discarded tire beads and method for its use | — | 1989-01-31 |