Granted Patent
Utility
US 4,466,546 · App. 06/371,590
Bottom shelf coupler with anticreep protection means
Inventors:
Russell G. Altherr, John W. Kaim
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: Apr 26, 1982
Inventors
Russell G. Altherr
John W. Kaim
Assignee (at issue)
AMSTED INDUSTRIES INCORPORATED
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.