Granted Patent
Utility
US 4,944,294 · App. 07/183,783
Face mask with integral anti-glare, anti-fog eye shield
Inventor:
Theodore S. Borek, Jr.
Patented Case
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Granted: Jul 31, 1990
Filed: Apr 20, 1988
Inventor
Theodore S. Borek, Jr.
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.