Inventor
WOODRUFF CHARLES
US4 patents
Patents
4 patentsUS6234602B1May 22, 2001
Automated ink-jet printhead alignment system
HEWLETT PACKARD CO84 citations95
US6554390B2Apr 29, 2003
Test pattern implementation for ink-jet printhead alignment
HEWLETT PACKARD CO63 citations94
US6347856B1Feb 19, 2002
Test pattern implementation for ink-jet printhead alignment
HEWLETT PACKARD CO32 citations91
US6345877B2Feb 12, 2002
Automated ink-jet printhead alignment system
HEWLETT PACKARD CO4 citations60