Granted Patent
Utility
US 4,858,232 · App. 07/197,104
Distributed switching system
Inventors:
Felix V. Diaz, Jack H. Stanley
Patented Case
View Patent ↗
Granted: Aug 15, 1989
Filed: May 20, 1988
Inventors
Felix V. Diaz
Jack H. Stanley
Assignee (at issue)
DSC 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.