Inventor
SCHRAM JOSEPH G
US12 patents
Patents
12 patentsUS5245392ASep 14, 1993
Donor roll for scavengeless development in a xerographic apparatus
XEROX CORP37 citations92
US5153647AOct 6, 1992
Development system having tensioned electrode wires
XEROX CORP27 citations92
US5063875ANov 12, 1991
Development apparatus having a transport roll rotating at least twice the surface velocity of a donor roll
XEROX CORP29 citations92
US4875081AOct 17, 1989
Electrophotographic device having a.c. biased cleaning member
XEROX CORP36 citations92
US5032872AJul 16, 1991
Developing device with dual donor rollers including electrically biased electrodes for each donor roller
XEROX CORP36 citations91
US5253016AOct 12, 1993
Contaminant control for scavengeless development in a xerographic apparatus
XEROX CORP22 citations90
US5341197AAug 23, 1994
Proper charging of donor roll in hybrid development
XEROX CORP15 citations82
USRE35698EDec 23, 1997
Donor roll for scavengeless development in a xerographic apparatus
XEROX CORP7 citations73
US5420375AMay 30, 1995
Proper charging of donor roll in hybrid development
XEROX CORP11 citations73
US5053824AOct 1, 1991
Scavengeless development apparatus having a donor belt
XEROX CORP10 citations73
US4496234AJan 29, 1985
Release agent management system for heat and pressure fuser apparatus
XEROX CORP12 citations73
US5572302ANov 5, 1996
Electrode wire positioning for scavengeless development
XEROX CORP1 citations52