Granted Patent
Utility
US 4,802,473 · App. 06/815,753
Face mask with ear loops
Inventors:
Vance M. Hubbard, Welton K. Brunson
Patented Case
View Patent ↗
Granted: Feb 7, 1989
Filed: Dec 31, 1985
Inventors
Vance M. Hubbard
Welton K. Brunson
Assignee (at issue)
Tecnol, 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.