Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D985419 | COVID 19 memorial box | Karl Duffey | 2023-05-09 |
| 4448389 | Operating device for a cylindrical gate | — | 1984-05-15 |
| 4434964 | Self-closing cylindrical gate for hydraulic turbo-machine | — | 1984-03-06 |