Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8826843 | Methods and apparatus for mitigating vortex rings affecting submersible vehicles | Ryan Moody | 2014-09-09 |
| 4898504 | Key cutting machine | Darrell E. Sims | 1990-02-06 |
| 4533284 | Adjustable drill mount | Darrell E. Sims | 1985-08-06 |
| 4411567 | Tubular key cutting machine | — | 1983-10-25 |
| 4373414 | Coded key cutting device | — | 1983-02-15 |