Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9879499 | Atmosphere to pressure ball drop apparatus | Danny Lee Artherholt, Jeremy Gardner, Dennis Artherholt | 2018-01-30 |
| 9869151 | Controlled aperture ball drop | Joel H. Young, Ronald B. Beason, Nicholas J. Cannon, Danny Lee Artherholt | 2018-01-16 |