Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D950109 | Beveled berm | William R. Woessner | 2022-04-26 |
| D841193 | Beveled berm | William R. Woessner | 2019-02-19 |
| D790731 | Beveled berm | William R. Woessner | 2017-06-27 |
| 9410303 | Apparatus for drilling site containment | Matthew N. Wheeler, Chris Allen | 2016-08-09 |
| 9016980 | Apparatus for drilling site containment | Matthew N. Wheeler, Chris Allen | 2015-04-28 |