Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047202 | Top plug with transitionable seal | Marcel Budde, Douglas Brian Farley | 2021-06-29 |
| 10954740 | Top plug with transitionable seal | Marcel Budde, Douglas Brian Farley | 2021-03-23 |