Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5736310 | Cubical grain silver iodochloride emulsions and processes for their preparation | Benjamin Teh-Kung Chen, James L. Edwards, Roger Lok | 1998-04-07 |
| 5728516 | Photographic print elements containing cubical grain silver iodochloride emulsions | James L. Edwards, Benjamin Teh-Kung Chen | 1998-03-17 |
| 5726005 | Photographic print elements containing cubical grain silver iodochloride emulsions | Benjamin Teh-Kung Chen, James L. Edwards, Roger Lok | 1998-03-10 |