Granted Patent
Utility
US 5,677,974 · App. 08/519,998
Hybrid communications and power cable and distribution method and network using the same
Inventors:
Ronald Duane Elms, John Garland Messina, Dwight Apollos Phelps, John Joseph Wells
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: Aug 28, 1995
Inventors
Ronald Duane Elms
John Garland Messina
Dwight Apollos Phelps
John Joseph Wells
Assignee (at issue)
The Southern New England Telephone Company
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.