Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350870 | Thermal imaging methods and materials | Richard L. Cournoyer, Ernest W. Ellis, Sandra E. Russo-Rodriguez, Stephen J. Telfer, David P. Waller +1 more | 1994-09-27 |
| 5278031 | Process for thermochemical generation of squaric acid and for thermal imaging, and imaging medium for use therein | Jurgen M. Grasshoff, Mark R. Mischke, Anthony J. Puttick, Stephen J. Telfer, David P. Waller +1 more | 1994-01-11 |