Granted Patent
Utility
US 5,052,643 · App. 07/498,535
Screw and screw releasable strain relief bushing with a non-fall out screw
Inventor:
Joseph P. Law
Patented Case
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Granted: Oct 1, 1991
Filed: Mar 26, 1990
Inventor
Joseph P. Law
Assignee (at issue)
Heyco Molded Products, 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.