Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6361932 | Photographic material having enhanced light absorption | Richard L. Parton, Thomas L. Penner, Margaret J. Helber | 2002-03-26 |
| 6355386 | Liquid crystalline filter dyes for imaging elements | Margaret J. Helber, Richard L. Parton | 2002-03-12 |
| 6342339 | Aggregated dyes for radiation-sensitive elements | Margaret J. Helber, Elizabeth A. Gallo, Mary Christine Brick, Steven Wade Kortum, Gary N. Barber | 2002-01-29 |