FC

Francis L. CHUPKA

HE Hercules: 1 patents #345 of 715Top 50%
📍 Wilmington, DE: #1,229 of 3,182 inventorsTop 40%
🗺 Delaware: #2,574 of 7,163 inventorsTop 40%
Overall (All Time): #1,631,425 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5856407 Process for making bimodul, cross-linked toner resin 1999-01-05
5684090 Bimodal, crosslinked toner resin and process for making same 1997-11-04
4806635 New cross-linking system for making toners that are useful in electrophotography using polyfunctional azide 1989-02-21