Granted Patent
Utility
US 6,363,528 · App. 09/500,737
Protective mask with throat guard for physical games
Inventor:
Raymond Cyr
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: Feb 9, 2000
Inventor
Raymond Cyr
Assignee (at issue)
Leader Industries, 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.