Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1004046 | Pest barrier | — | 2023-11-07 |
| 4732517 | Anti-tamper fastener shielding apparatus | Edward F. Zink | 1988-03-22 |
| 4621230 | Anti-tamper fastener shielding device | Edward F. Zink | 1986-11-04 |