Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11192177 | Automated gate cutting system | Timothy P. Hipp, Kelby Wayne Klink, Donald Johnson | 2021-12-07 |
| 10883624 | Ball valve with visual stem-cap engagement | Stephen L. Crawford | 2021-01-05 |