Inventor
WACHTER ROMAN T
US4 patents
Patents
4 patentsUS6792216B2Sep 14, 2004
System for estimating the remaining life of a print cartridge
HEWLETT PACKARD DEVELOPMENT CO13 citations80
US7430053B2Sep 30, 2008
Tracking component usage in a printing device
HEWLETT PACKARD DEVELOPMENT CO5 citations59
US7435022B2Oct 14, 2008
Apparatus and method to avoid detecting output motion and media movement
HEWLETT PACKARD DEVELOPMENT CO0 citations48
US6786662B2Sep 7, 2004
Apparatus and method to avoid detecting output motion and media movement
HEWLETT PACKARD DEVELOPMENT CO0 citations48