Granted Patent
Utility
US 5,574,718 · App. 08/270,019
Signal protection and monitoring system
Inventors:
Charles C. Eckhoff, Oscar A. Tovar
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Jul 1, 1994
Inventors
Charles C. Eckhoff
Oscar A. Tovar
Assignee (at issue)
DSC Communications 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.