Granted Patent
Utility
US 5,416,772 · App. 08/109,766
Apparatus for insertion of overhead protocol data into a switched data stream
Inventors:
John S. Helton, Stephen R. Peck, Floyd Craig Wolverton
Patented Case
View Patent ↗
Granted: May 16, 1995
Filed: Aug 20, 1993
Inventors
John S. Helton
Stephen R. Peck
Floyd Craig Wolverton
Assignee (at issue)
AT&T CORP.
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.