Granted Patent
Utility
US 5,790,634 · App. 08/757,682
Combination system for proactively and reactively maintaining telephone network facilities in a public switched telephone system
Inventors:
James C. Kinser, Jr., William C. Casey, Frederick D. Blum, Mary A. Youngs
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Nov 29, 1996
Inventors
James C. Kinser, Jr.
William C. Casey
Frederick D. Blum
Mary A. Youngs
Assignee (at issue)
Bell Atlantic Network Services
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.