Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10113387 | Testable isolation packer | William David Henderson, William Mark Richards | 2018-10-30 |
| 9945189 | Travel joint release devices and methods | William Mark Richards | 2018-04-17 |
| 9920587 | Testable isolation packer | William David Henderson, William Mark Richards | 2018-03-20 |