Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11313190 | Electric set tieback anchor via pressure cycles | Matthew J. Krueger, Robert Pena | 2022-04-26 |
| 4805661 | Faucet valve with anti-siphon back flow preventer | Alfons Knapp, Joe D. Hutto | 1989-02-21 |
| 4696322 | Faucet valve with anti-siphon back flow preventer | Alfons Knapp, Joe D. Hutto | 1987-09-29 |