Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6550547 | System and method for automatically controlling a pipe handling system for a horizontal boring machine | Cody L. Sewell, Kelvin P. Self, J. Kevin Wilda, David A. Rorabaugh | 2003-04-22 |
| 6543551 | Pipe handling device | Darrel W. Sparks, Richard W. McEwen, Arthur D. Deken, Cody L. Sewell, Ronald A. Frazier +2 more | 2003-04-08 |