Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4590608 | Topographic feature extraction using sensor array system | Pi-Fuay Chen, William W. Seemuller | 1986-05-20 |
| 4460969 | Image spectrum analyzer for cartographic feature extraction | Pi-Fuay Chen, William W. Seemuller | 1984-07-17 |