Granted Patent
Utility
US 4,360,792 · App. 06/183,130
Separable multi-unit crystal network device
Inventors:
John D. Jennings, Walter E. Killerby, Robert L. Reynolds
Patented Case
View Patent ↗
Granted: Nov 23, 1982
Filed: Sep 2, 1980
Inventors
John D. Jennings
Walter E. Killerby
Robert L. Reynolds
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.