Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275927 | Photothermographic articles containing novel barrier layers | Thomas J. Ludemann | 1994-01-04 |
| 5275932 | Thermal development accelerators for thermographic materials | David C. Weigel | 1994-01-04 |