RT

Robert C. Tidrick

Xerox: 9 patents #1,448 of 8,622Top 20%
Tektronix: 4 patents #288 of 1,698Top 20%
Overall (All Time): #385,963 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8311440 Laser scanner window cleaner 2012-11-13
8224214 Collapsible packaging system Michele Kayla Mae Durham, Heinz Erwin Grellmann 2012-07-17
8007095 Apparatus for reading markings on a solid ink stick 2011-08-30
7959270 Collapsible packaging system Michele Kayla Mae Durham, Heinz Erwin Grellmann 2011-06-14
7874661 Solid ink stick with coded markings and method and apparatus for reading markings 2011-01-25
7758173 Collapsible packaging system Michele Kayla Mae Durham, Heinz Erwin Grellmann 2010-07-20
7577384 Collapsible packaging system Michele Kayla Mae Durham, Heinz Erwin Grellmann 2009-08-18
6614008 Universal voltage fuser heater lamp 2003-09-02
6169875 Envelope transport structure 2001-01-02
5975690 Solid ink stick supply system H. Erwin Grellmann, John B. Gilbert, Perry E. Wingfield 1999-11-02
5917528 Solid ink stick supply apparatus and method H. Erwin Grellmann, John B. Gilbert, Randy C. Karambelas, William Bruce Weaver, James B. Jensen +1 more 1999-06-29
5870661 Apparatus and method for controlling media temperature in an imaging apparatus Paul John Menzel, Beta Y. Ni 1999-02-09
5821952 Method for automatic print head spacing in an ink jet printer David D. Martenson, H. Erwin Grellmann 1998-10-13