Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4873753 | Control system for a rotation station for remotely installing a mechanical tube plug | Samuel B. Crabtree | 1989-10-17 | $2,646,000 |
| 4804814 | Electron discharge machining tool | Tommy J. Southerland, Eugene L. Hinds, Timothy L. Brown | 1989-02-14 | $2,797,000 |