Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9995352 | Viscous rotational speed control device | Lee A. Perkins, George L. Sesser, Riley D. Greenwood | 2018-06-12 |
| 9971361 | Pressure regulator having single strut seat with strut coaxial to plunger | Riley D. Greenwood | 2018-05-15 |