SS

Stephen R. Sofen

PO Polaroid: 3 patents #247 of 898Top 30%
📍 Cambridge, MA: #3,069 of 8,183 inventorsTop 40%
🗺 Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,655,014 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5328799 Thermographic and photothermographic imaging materials James R. Freedman, Kent M. Young 1994-07-12
5206208 Stabilization of thermal images Rong-Chang Liang, William C. Schwarzel, Rita S. Shon Baker, Robert P. Short, Michael A. Young 1993-04-27
4463082 Silver diffusion transfer film unit with noble metal compound as stabilizer John H. Ferguson, Kenneth S. Norland 1984-07-31