Granted Patent
Utility
US 6,712,199 · App. 09/762,412
Device for controlling and monitoring a conveyor belt, notably a tubular conveyor belt
Inventors:
Joachim Brückner, Karl-Heinz Elvers, Wolfgang Schnell
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Feb 7, 2001
Inventors
Joachim Brückner
Karl-Heinz Elvers
Wolfgang Schnell
Assignee (at issue)
Phoenix, 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.