Granted Patent
Utility
US 5,602,846 · App. 08/225,295
Simultaneous voice and data call establishment using a simultaneous voice and data modem pool and private branch exchange facilities
Inventors:
Kurt Holmquist, Richard K. Smith
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Apr 8, 1994
Inventors
Kurt Holmquist
Richard K. Smith
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.