Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6195033 | Key mover | Paul V. Darbee, Don G. DuPerault | 2001-02-27 |
| 6014092 | Key mover | Paul V. Darbee, Don G. DuPerault, Kimthoa Thi Nguyen | 2000-01-11 |
| 5414426 | Favorite key macro command and chained macro command in a remote control | Frank O'Donnell, Kimthoa Thi Nguyen | 1995-05-09 |