Granted Patent
Utility
US 6,347,791 · App. 09/495,730
Full face pad
Inventor:
Thomas M. Chervenak
Patented Case
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Granted: Feb 19, 2002
Filed: Feb 1, 2000
Inventor
Thomas M. Chervenak
Assignee (at issue)
American Tool Companies, 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.