Granted Patent
Utility
US 6,403,503 · App. 08/052,671
Fiberglass cloth resin tape insulation
Inventor:
Martin Weinberg
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Apr 27, 1993
Inventor
Martin Weinberg
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.