Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4310140 | Pressure-controlled valve with small hold-up volume | Russell E. Boyer | 1982-01-12 |
| 4301888 | Bi-directional impulse shear wave generator and method of use | James Gibson, Henry Schoellhorn, III | 1981-11-24 |