Granted Patent
Utility
US 6,164,752 · App. 09/188,016
Ink jet print head maintenance method
Inventors:
David Schaefer, Edward F. Burress, Timothy Rob Golik, Ernest Isreal Esplin
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Nov 6, 1998
Inventors
David Schaefer
Edward F. Burress
Timothy Rob Golik
Ernest Isreal Esplin
Assignee (at issue)
Xerox Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.