Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7202854 | Alphanumeric keypad and display system and method | David Hohl, Anthony Yung, Frances Killam | 2007-04-10 |
| 7113172 | Alphanumeric keypad and display system and method | David Hohl, Anthony Yung, Frances Killam | 2006-09-26 |