Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8432281 | Portable boundary sensor system and method | Rickey D. Hughes | 2013-04-30 |
| 5081406 | Proximity responsive capacitance sensitive method, system, and associated electrical circuitry for use in controlling mechanical and electro-mechanical equipment | Rickey D. Hughes | 1992-01-14 |