Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4719687 | Method for sealing, pressure-testing, and transporting a multi-pipe segment | — | 1988-01-19 |
| 4438754 | Method for sensing and remotely controlling a tool to workpiece spatial relationship | Thomas L. Stewart, Dean P. Hemphill | 1984-03-27 |