William J. Pfingston

PO Polaroid: 2 patents #349 of 898Top 40%

📍 Canton, MA: #121 of 277 inventorsTop 45%

🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%

Overall (All Time): #2,360,154 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4481277	Photographic products and processes with scavengers for silver ions or silver complexes	—	1984-11-06
4401746	Stripping layer consisting of a mixture of cellulose acetate hydrogen phthalate and straight chain saturated polyester of adipic acid	—	1983-08-30