Granted Patent
Utility
US 4,425,482 · App. 06/355,937
Ring armature electroacoustic transducer
Inventors:
Chester M. Bordelon, Richard M. Hunt, Robert A. Wheeler
Patented Case
View Patent ↗
Granted: Jan 10, 1984
Filed: Mar 8, 1982
Inventors
Chester M. Bordelon
Richard M. Hunt
Robert A. Wheeler
Assignee (at issue)
Western Electric Company, 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.