Granted Patent
Utility
US 5,460,261 · App. 08/132,565
Tubular conveyor belt
Inventors:
Bernd Küsel, Karl-Heinz Elvers, Christian Heidelmann, Hasso Tonn
Patented Case
View Patent ↗
Granted: Oct 24, 1995
Filed: Oct 6, 1993
Inventors
Bernd Küsel
Karl-Heinz Elvers
Christian Heidelmann
Hasso Tonn
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.