Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10450820 | Method and apparatus for swarf disposal in wellbores | Daniel R. Hart, Lambertus C. Joppe | 2019-10-22 |
| 10267111 | Multi-tool bottom hole assembly with selective tool operation feature | Daniel R. Hart, Lambertus C. Joppe | 2019-04-23 |