DW

David P. Waller

PO Polaroid: 8 patents #1 of 75Top 2%
📍 Lexington, MA: #1 of 132 inventorsTop 1%
🗺 Massachusetts: #4 of 3,963 inventorsTop 1%
Overall (1994): #875 of 165,921Top 1%
8
Patents 1994

Issued Patents 1994

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5368979 Thermally developable photosensitive element James R. Freedman 1994-11-29
5350870 Thermal imaging methods and materials Roger A. Boggs, Richard L. Cournoyer, Ernest W. Ellis, Sandra E. Russo-Rodriguez, Stephen J. Telfer +1 more 1994-09-27
5340689 Image-recording materials with cyclic 1,3-sulfur-nitrogen dye providing compounds Efthimios Chinoporos, Robert H. Pauze, David C. Whritenour 1994-08-23
5332654 Reversible redox-controlled imaging method Myron S. Simon, Marcis M. Kampe 1994-07-26
5319143 Bis(aminoethanethiols) David Messersmith 1994-06-07
5316887 Thermally developable photosensitive material Michael J. Arnost, Efthimios Chinoporos, Donald A. McGowan 1994-05-31
5294375 Thermochromic materials Marcis M. Kampe, David C. Whritenour 1994-03-15
5278031 Process for thermochemical generation of squaric acid and for thermal imaging, and imaging medium for use therein Roger A. Boggs, Jurgen M. Grasshoff, Mark R. Mischke, Anthony J. Puttick, Stephen J. Telfer +1 more 1994-01-11