Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6854412 | Underwater vacuum attachment device | Billy Courson, John Shelburne | 2005-02-15 |
| 5311126 | Magnetic field strength threshold indicator for use in a magnetic particle inspection device | Robert DeNale, Lawrence M. Brown | 1994-05-10 |
| 4388593 | Coil device for underwater magnetic testing | — | 1983-06-14 |
| 4385522 | Pit depth gauge | — | 1983-05-31 |
| 4207450 | Continuous oil concentration monitor | — | 1980-06-10 |
| 4191461 | Camera jig for underwater stereoscopic photography | Charles O. Warrell, Ronald S. Peterson | 1980-03-04 |