Granted Patent
Utility
US 5,220,133 · App. 07/842,921
Insulated conductor with arc propagation resistant properties and method of manufacture
Patented Case
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Granted: Jun 15, 1993
Filed: Feb 27, 1992
Assignee (at issue)
Tensolite LLC
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.