Granted Patent
Utility
US 4,391,006 · App. 06/379,077
Transfer bench
Inventor:
Alfred A. Smith
Patented Case
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Granted: Jul 5, 1983
Filed: May 17, 1982
Inventor
Alfred A. Smith
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.