Granted Patent
Utility
US 5,016,392 · App. 07/483,666
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Inventors:
Gary R. Thomas, Mark Andrew Huebner
Patented Case
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Granted: May 21, 1991
Filed: Feb 23, 1990
Inventors
Gary R. Thomas
Mark Andrew Huebner
Assignee (at issue)
Wickes Manufacturing Co.
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.