Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6367323 | Dynamic pressure device for oil drill systems | Michael T. Sutherland, Anthony R. Dopf, Derek W. Logan, Randall S. Liscombe | 2002-04-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6367323 | Dynamic pressure device for oil drill systems | Michael T. Sutherland, Anthony R. Dopf, Derek W. Logan, Randall S. Liscombe | 2002-04-09 |