Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4284248 | Packing pulverizer | — | 1981-08-18 |
| 4269221 | Valve stem lock | — | 1981-05-26 |
| 4268070 | Orifice flange clamp | — | 1981-05-19 |
| 4253642 | Valve stem lubricating plate | — | 1981-03-03 |
| 4240650 | Leaking weld repair clamp | — | 1980-12-23 |
| 4221016 | Valve stem cleaner and positioner | — | 1980-09-09 |
| 4201318 | Packing injector gun | — | 1980-05-06 |