Granted Patent
Utility
US 6,253,909 · App. 08/762,314
Modular power roller conveyor
Inventors:
W. Scott Kalm, Morteza Mortazi Langroodi, Keith Joseph Corrigan
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Dec 9, 1996
Inventors
W. Scott Kalm
Morteza Mortazi Langroodi
Keith Joseph Corrigan
Assignee (at issue)
Siemens ElectroCom, L.P.
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.