Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7079118 | Touch screen using echo-location | David J. Benard, Dong-Feng Gu | 2006-07-18 |
| 6741237 | Touch screen | David J. Benard, Dong-Feng Gu | 2004-05-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7079118 | Touch screen using echo-location | David J. Benard, Dong-Feng Gu | 2006-07-18 |
| 6741237 | Touch screen | David J. Benard, Dong-Feng Gu | 2004-05-25 |