Granted Patent
Utility
US 5,553,608 · App. 08/278,930
Face mask with enhanced seal and method
Inventors:
George D. Reese, Albert R. Rich, Jr., Kevin K. Brunson
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: Jul 20, 1994
Inventors
George D. Reese
Albert R. Rich, Jr.
Kevin K. Brunson
Assignee (at issue)
Tecnol Medical 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.