Granted Patent
Utility
US 5,878,077 · App. 08/541,863
Apparatus for high-speed simultaneous voice/data communications
Inventor:
William L. Betts
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Oct 10, 1995
Inventor
William L. Betts
Assignee (at issue)
PARADYNE 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.