Inventor
DOERRE MARK LEO
US3 patents
Patents
3 patentsUS9709927B1Jul 18, 2017
Developer unit air venting in a dual component development electrophotographic image forming device
LEXMARK INT INC7 citations79
US9218235B2Dec 22, 2015
Systems and methods of verifying operational information associated with an imaging device
LEXMARK INT INC1 citations48
US9357102B2May 31, 2016
Systems and methods of securing operational information associated with an imaging device
LEXMARK INT INC0 citations37