Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7523862 | Multi-function keypad using colored light sources and optical films | James L. Tracy, David I. Blatt, Julio C. Castaneda | 2009-04-28 |
| 6927747 | Dual directional display for communication device | Julio C. Castaneda, David Fredley, Rudy Yorio | 2005-08-09 |
| 5886875 | Apparatus using a circuit board having a frangible portion apparatus | William C. Phelps, III, John M. Heffernan | 1999-03-23 |