Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829435 | Exposure system for obtaining a sensitometric control patch with exposure gradient | Michel Lemoine | 2004-12-07 |
| 6816678 | Method for obtaining a sensitometric control patch with exposure gradient and photographic element comprising such a control patch | Michel Lemoine | 2004-11-09 |
| 6810209 | Method to establish sensitometry curve for a photographic medium | — | 2004-10-26 |