Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7975761 | Method and device with biasing force for sealing a well | Michael Wayne Berckenhoff, Dustin Dean Gass | 2011-07-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7975761 | Method and device with biasing force for sealing a well | Michael Wayne Berckenhoff, Dustin Dean Gass | 2011-07-12 |