Granted Patent
Utility
US 5,722,665 · App. 08/791,413
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Inventors:
Josef Sedy, Artur Zobens
Patented Case
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Granted: Mar 3, 1998
Filed: Jan 24, 1997
Inventors
Josef Sedy
Artur Zobens
Assignee (at issue)
Durametallic Corporation
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.