Granted Patent
Utility
US 5,493,609 · App. 08/271,850
Telecommunication system for automatic switching between voice and data communications
Inventors:
Michael M. Winseck, Jr., Richard A. Davis, James Nowack
Patented Case
View Patent ↗
Granted: Feb 20, 1996
Filed: Jul 7, 1994
Inventors
Michael M. Winseck, Jr.
Richard A. Davis
James Nowack
Assignee (at issue)
Radish Communication Systems, Inc.
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.