Granted Patent
Utility
US 4,833,277 · App. 07/045,719
Wall plate insert
Inventors:
Elliot G. Jacoby, Noel Mayo, Joel S. Spira
Patented Case
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Granted: May 23, 1989
Filed: Apr 24, 1987
Inventors
Elliot G. Jacoby
Noel Mayo
Joel S. Spira
Assignee (at issue)
Lutron Electronics Co., 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.