Granted Patent
Utility
US 5,685,410 · App. 08/707,177
Infeed conveyor system
Inventors:
Edward W. Ritola, Petri Saastamo, Lloyd Booth
Patented Case
View Patent ↗
Granted: Nov 11, 1997
Filed: Sep 3, 1996
Inventors
Edward W. Ritola
Petri Saastamo
Lloyd Booth
Assignee (at issue)
U.S. Natural Resources, Inc.
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.