Granted Patent
Utility
US 6,182,545 · App. 09/351,730
Wedge-lockable removable punch and die bushing in retainer
Inventor:
Francis Richard Janek, Jr.
Patented Case
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Granted: Feb 6, 2001
Filed: Jul 12, 1999
Inventor
Francis Richard Janek, Jr.
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.