Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10011500 | Piston valve with annular passages | William D. Chandler, Jr., Cody A. Harbaugh | 2018-07-03 |
| 10012319 | Piston valve with annular passages | William D. Chandler, Jr., Cody A. Harbaugh | 2018-07-03 |
| 9970558 | Piston valve with annular passages | William D. Chandler, Jr., Cody A. Harbaugh | 2018-05-15 |