Inventor
ROBERTSON DOUGLAS L
US5 patents
Patents
5 patentsUS7469107B2Dec 23, 2008
Method for providing imaging substance for use in an imaging device via a virtual replenishment
LEXMARK INT INC23 citations89
US7688956B2Mar 30, 2010
Method and apparatus for validation of facsimile communication
LEXMARK INT INC2 citations59
US7616745B2Nov 10, 2009
Method for printing incoming facsimiles
LEXMARK INT INC0 citations48
US7359500B2Apr 15, 2008
Method for carrying out predetermined actions by a receiving telecom device using an answer prefix
LEXMARK INT INC0 citations38
US7128385B2Oct 31, 2006
System and method for ink jet printhead detection
LEXMARK INT INC0 citations30