| 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 |