Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340689 | Image-recording materials with cyclic 1,3-sulfur-nitrogen dye providing compounds | Robert H. Pauze, David P. Waller, David C. Whritenour | 1994-08-23 |
| 5316887 | Thermally developable photosensitive material | Michael J. Arnost, Donald A. McGowan, David P. Waller | 1994-05-31 |