Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10003694 | Threshold activated teleconferencing | Al Chakra, Li Chen, Lin Sun | 2018-06-19 |
| 9787845 | Threshold activated teleconferencing | Al Chakra, Li Chen, Lin Sun | 2017-10-10 |
| 4847605 | Picking in a graphics system | Robert M. Callahan, Anthony Fiore, IV, Bruce C. Hempel, Bruce E. Whistance | 1989-07-11 |