Granted Patent
Utility
US 4,925,607 · App. 06/543,534
Electrical insulating material formed from at least one flux and a crystalline stuffing material
Inventor:
James C. Kyle
Patented Case
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Granted: May 15, 1990
Filed: Oct 20, 1983
Inventor
James C. Kyle
Assignee (at issue)
James C. Kyle
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.