Issued Patents All Time
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 | David R. Payne, Cody L. Sewell, Kelvin P. Self, David A. Rorabaugh | 2003-04-22 |
| 6179065 | System and method for automatically controlling a pipe handling system for a horizontal boring machine | David R. Payne, Cody L. Sewell, Kelvin P. Self, David A. Rorabaugh | 2001-01-30 |