Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831699 | Deployable monitoring device having self-righting housing and associated method | Yu-Wen Chang, William Grainger, Michael Johnson, Pablo De Los Rios, William Osterholm | 2004-12-14 |
| 6778084 | Interactive wireless surveillance and security system and associated method | Yu-Wen Chang | 2004-08-17 |