Inventor
MEYER BRENT L
US4 patents
Patents
4 patentsUS7221888B2May 22, 2007
Printing device cartridge having position in which rollers are separated from photoconductor
HEWLETT PACKARD DEVELOPMENT CO17 citations80
US7778586B2Aug 17, 2010
Waste toner solidification apparatus for a printing device
HEWLETT PACKARD DEVELOPMENT CO2 citations59
US6681087B2Jan 20, 2004
System for and method of preventing toner leakage past developer seals using static charge
HEWLETT PACKARD DEVELOPMENT CO1 citations44
US10705475B2Jul 7, 2020
Photo-conductor drum with protective layer of material
HEWLETT PACKARD DEVELOPMENT CO0 citations42