Granted Patent
Utility
US 5,606,601 · App. 08/438,913
Centralizing storage and verification element for telephone network
Inventors:
Kevin R. Witzman, Isaac K. Elliott, Robert A. Smout, Arlene M. Plaza, Richard A. Sostheim
Patented Case
View Patent ↗
Granted: Feb 25, 1997
Filed: May 10, 1995
Inventors
Kevin R. Witzman
Isaac K. Elliott
Robert A. Smout
Arlene M. Plaza
Richard A. Sostheim
Assignee (at issue)
MCI 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.