Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11111913 | Oil lubricated compressor | Lance S. Hathcock, James Vintzel, Dalton E. McFarland | 2021-09-07 |
| 10982664 | Compressor intake muffler and filter | Mark W. Wood, Scott D. Craig, Gary D. White | 2021-04-20 |