Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802621 | Thermal modulating control valve | — | 1989-02-07 |
| 4775117 | Thermal modulating control valve | — | 1988-10-04 |
| 4596321 | Bi-directional flow control device for damping head assembly | Clifford R. Harper | 1986-06-24 |