Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D937982 | Apparatus for a plunger system | Mitchell A. Boyd | 2021-12-07 |
| 11105189 | Unibody bypass plunger and valve cage | Mitchell A. Boyd | 2021-08-31 |
| 10927652 | Internal valve plunger | Mitchell A. Boyd, David Dahlgren | 2021-02-23 |
| 10907453 | Unibody bypass plunger and valve cage with sealable ports | Mitchell A. Boyd | 2021-02-02 |