Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4458721 | Pipeline flow restrictor | Thomas M. Bevan | 1984-07-10 |
| 4291727 | Pipeline flow restrictor and process | Thomas M. Bevan | 1981-09-29 |
| 4190202 | High pressure pulsed water jet | — | 1980-02-26 |