Granted Patent
Utility
US 5,413,095 · App. 08/228,123
Mouthpiece with oxygen receiving and directing structure
Inventor:
George W. Weaver
Patented Case
View Patent ↗
Granted: May 9, 1995
Filed: Apr 15, 1994
Inventor
George W. Weaver
Assignee (at issue)
Arrow Precision Products, 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.