Granted Patent
Utility
US 5,847,660 · App. 08/560,557
Method for avoiding interference in a cable telephony system
Inventors:
James M. Williams, Jonas Butvila
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Nov 17, 1995
Inventors
James M. Williams
Jonas Butvila
Assignee (at issue)
Motorola, 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.