Granted Patent
Utility
US 4,632,670 · App. 06/719,850
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Inventor:
Richard L. Mueller
Patented Case
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Granted: Dec 30, 1986
Filed: Apr 4, 1985
Inventor
Richard L. Mueller
Assignee (at issue)
Argon Medical Corp.
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.