Inventor
ZWADLO GREGORY L
US27 patents
⚠️ This page may combine multiple inventors who share the name “ZWADLO GREGORY L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINNESOTA MINING & MFG
15 patentsUS5493321AFeb 20, 1996
Method and apparatus of characterization for photoelectric color proofing systems
MINNESOTA MINING & MFG94 citations96
US4728983AMar 1, 1988
Single beam full color electrophotography
MINNESOTA MINING & MFG100 citations96
US5053820AOct 1, 1991
Developing module drive system for an electrographic printer
MINNESOTA MINING & MFG32 citations92
US5023668AJun 11, 1991
Method and apparatus for adhesive transfer
MINNESOTA MINING & MFG23 citations90
US5258810ANov 2, 1993
Method for calibrating an electrophotographic proofing system
MINNESOTA MINING & MFG21 citations89
US4946753AAug 7, 1990
Liquid electrophotographic toners
MINNESOTA MINING & MFG29 citations88
US5302482AApr 12, 1994
Liquid electrophotographic toner
MINNESOTA MINING & MFG18 citations82
US5083163AJan 21, 1992
Photoconductor resetting following multiple charge images
MINNESOTA MINING & MFG7 citations74
US5124220AJun 23, 1992
Bilayer topcoats for organic photoconductive elements
MINNESOTA MINING & MFG9 citations73
US5061583AOct 29, 1991
Color electrophotography for high quality half-tone images
MINNESOTA MINING & MFG14 citations73
US4994860AFeb 19, 1991
Liquid toners handling network for an electrographic printer
MINNESOTA MINING & MFG10 citations71
US5296645AMar 22, 1994
Liquid toner developing module for electrographic recording
MINNESOTA MINING & MFG4 citations62
US5342720AAug 30, 1994
Color proofing element and process for making the same
MINNESOTA MINING & MFG3 citations61
US4907532AMar 13, 1990
Endless belt development electrode for electrographic image
MINNESOTA MINING & MFG4 citations61
US5262825ANov 16, 1993
Density process control for an electrophotographic proofing system
MINNESOTA MINING & MFG6 citations60
EASTMAN KODAK CO
5 patentsUS7279254B2Oct 9, 2007
Method of making an article bearing a relief image using a removable film
EASTMAN KODAK CO29 citations92
US7799504B2Sep 21, 2010
Mask film to form relief images and method of use
EASTMAN KODAK CO30 citations91
US8034540B2Oct 11, 2011
System and method employing secondary back exposure of flexographic plate
EASTMAN KODAK CO9 citations84
US7802598B2Sep 28, 2010
Lamination device method for flexographic plate manufacturing
EASTMAN KODAK CO8 citations81
US7807001B2Oct 5, 2010
Lamination device method for flexographic plate manufacturing
EASTMAN KODAK CO6 citations71