Granted Patent
Utility
US 4,471,496 · App. 06/507,984
Articulated earmuff-to-headband attachment construction
Inventors:
Ross Gardner, Jr., Robert N. Falco
Patented Case
View Patent ↗
Granted: Sep 18, 1984
Filed: Jun 27, 1983
Inventors
Ross Gardner, Jr.
Robert N. Falco
Assignee (at issue)
Cabot Corporation
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.