Inventor
KRECH ROGER I
US4 patents
Patents
4 patentsUS5108865AApr 28, 1992
Offset transfer of toner images in electrography
MINNESOTA MINING & MFG88 citations89
US4260673AApr 7, 1981
Single sheet color proofing system
MINNESOTA MINING & MFG52 citations89
US5124220AJun 23, 1992
Bilayer topcoats for organic photoconductive elements
MINNESOTA MINING & MFG9 citations73
US5342720AAug 30, 1994
Color proofing element and process for making the same
MINNESOTA MINING & MFG3 citations61