Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6741237 | Touch screen | Robert C. Addison, Dong-Feng Gu | 2004-05-25 |
| 6674619 | Method for interrupting an electrical circuit | Paul T. Nolden, Edward A. Mallonen, Mark Clayton | 2004-01-06 |