Granted Patent
Utility
US 6,385,411 · App. 09/687,647
Densitometer diagnostic system for an image-forming machine
Inventors:
James D. Anthony, Kenneth M. Patterson, William A. Hameister
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Oct 13, 2000
Inventors
James D. Anthony
Kenneth M. Patterson
William A. Hameister
Assignee (at issue)
Heidelberger Druckmaschinen AG
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.