Granted Patent
Utility
US 5,509,011 · App. 08/278,475
Transmission system for time-division multiplex signal transmission
Inventor:
Winfrid Birth
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Jul 20, 1994
Inventor
Winfrid Birth
Assignee (at issue)
U.S. Philips 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.