Granted Patent
Utility
US 4,402,541 · App. 06/352,524
Movable load bar with automatic hooks
Inventors:
Arthur L. Bomberger, Claris E. Johnson
Patented Case
View Patent ↗
Granted: Sep 6, 1983
Filed: Feb 26, 1982
Inventors
Arthur L. Bomberger
Claris E. Johnson
Assignee (at issue)
BUTLER 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.