Granted Patent
Utility
US 4,380,288 · App. 05/862,254
Conveyor
Inventors:
Theodore B. Bodimer, Joseph S. David, Alexander W. Calder
Patented Case
View Patent ↗
Granted: Apr 19, 1983
Filed: Dec 19, 1977
Inventors
Theodore B. Bodimer
Joseph S. David
Alexander W. Calder
Assignee (at issue)
Joy Manufacturing Company
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.