Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11542178 | Pison valve with annular passages | William D. Chandler, Jr., Aaron R. Wolfe, Cody A. Harbaugh, Patrick Frazer | 2023-01-03 |
| 11203532 | Piston valve with annular passages | William D. Chandler, Jr., Aaron R. Wolfe, Cody A. Harbaugh, Patrick Frazer | 2021-12-21 |