Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5082502 | Cleaning apparatus and process | Kam Bor Lee, Allan C. Morgan, Dan K. Puckett | 1992-01-21 |
| 4921349 | Photographic method for monitoring visibility through measurement of transmittance and path radiance | — | 1990-05-01 |