Granted Patent
Utility
US 4,342,367 · App. 06/199,356
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Inventor:
Donald C. Gates
Patented Case
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Granted: Aug 3, 1982
Filed: Oct 21, 1980
Inventor
Donald C. Gates
Assignee (at issue)
Alloway Manufacturing
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.