Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348238 | Manufacture of cellulose ester film | — | 1982-09-07 |
| 4341855 | Photographic element provided with a magnetic recording stripe and method and composition for manufacture thereof | Edward D. Morrison, David Lawrence Carr, Chen-i Lu | 1982-07-27 |
| 4188449 | Phosphorescent screens | Chen-i Lu, Herman R. Osmers | 1980-02-12 |