Granted Patent
Utility
US 4,566,007 · App. 06/494,901
Rearrangeable multiconnection switching networks
Inventor:
Gaylord W. Richards
Patented Case
View Patent ↗
Granted: Jan 21, 1986
Filed: May 16, 1983
Inventor
Gaylord W. Richards
Assignee (at issue)
AT&T Bell Laboratories
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.