Granted Patent
Utility
US 6,370,340 · App. 09/572,524
Method and apparatus for monitoring parameters corresponding to operation of an electrophotographic marking machine
Inventors:
Matthias H. Regelsberger, David E. Hockey
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: May 17, 2000
Inventors
Matthias H. Regelsberger
David E. Hockey
Assignee (at issue)
Heidelberg Digital L.L.C.
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.