Granted Patent
Utility
US 5,818,125 · App. 08/727,891
Secondary source of energy system for powering communications hardware and services and associated method
Inventor:
Earl E. Manchester
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Oct 9, 1996
Inventor
Earl E. Manchester
Assignee (at issue)
U S West, 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.