Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9869426 | Tool for unseizing and lubricating well valves, and method of unseizing said valves | — | 2018-01-16 |
| 9447659 | Tool for unseizing and lubricating well valves, and method of unseizing said valves | — | 2016-09-20 |
| 9052061 | Well gate valve greasing tool and method of use | Henry He, Christina L. Shannon | 2015-06-09 |