Granted Patent
Utility
US 5,355,733 · App. 07/820,467
Wide scale pointer arc, diaphragm gauge
Inventors:
Frank W. Murphy, Jr., Lewis M. Carlton
Patented Case
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Granted: Oct 18, 1994
Filed: Jan 14, 1992
Inventors
Frank W. Murphy, Jr.
Lewis M. Carlton
Assignees (at issue)
Frank W. Murphy, Jr.
Murphy Management, Inc.
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.