Granted Patent
Utility
US 6,308,951 · App. 09/238,486
Device for detecting a sheet stack height in a tray
Inventors:
Franz Allmendinger, Joachim Buck, Jochen Graeber, Volker H. Koenig, Heinz Michels
Patented Case
View Patent ↗
Granted: Oct 30, 2001
Filed: Jan 27, 1999
Inventors
Franz Allmendinger
Joachim Buck
Jochen Graeber
Volker H. Koenig
Heinz Michels
Assignee (at issue)
NexPress Solutions LLC
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.