Granted Patent
Utility
US 4,394,602 · App. 06/324,757
Enclosed electrical devices
Inventors:
Waldo D. Apgar, Charles L. Davis, Loring D. Emery, Jr., Werner F. Esseluhn, Walter R. Holbrook
Patented Case
View Patent ↗
Granted: Jul 19, 1983
Filed: Nov 25, 1981
Inventors
Waldo D. Apgar
Charles L. Davis
Loring D. Emery, Jr.
Werner F. Esseluhn
Walter R. Holbrook
Assignees (at issue)
Western Electric Company, Inc.
Bell Telephone Laboratories, 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.