Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6557640 | Lubrication and self-cleaning system for expansion mandrel | Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Lev Ring, James J. W. Nahm +4 more | 2003-05-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6557640 | Lubrication and self-cleaning system for expansion mandrel | Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Lev Ring, James J. W. Nahm +4 more | 2003-05-06 |