Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D836512 | Gaseous diluter | Kevin Goplen, Robert Schellin, Richard Stovall | 2018-12-25 |
| 9586679 | Automatic pitch change rotary wing rotor system and method of rotor control | John Neal Cupp, SR. | 2017-03-07 |