Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9828558 | Refining of used oils | Mark McNamara, Gordon Chung, Yong Wang, William G. Hand | 2017-11-28 |
| 8019662 | Livestock inventory tracking system and methods | — | 2011-09-13 |
| 6996538 | Inventory control system and methods | — | 2006-02-07 |
| 6040780 | Child's personal security assistant | — | 2000-03-21 |
| D411475 | Child's personal security assistant unit | — | 1999-06-29 |
| 5594410 | Emergency warning escape system | James M. Klotz, Frank Farfan, S. Warren Hall | 1997-01-14 |