Granted Patent
Utility
US 5,444,703 · App. 08/094,144
ISDN interfacing of personal computers
Inventors:
Ugo O. Gagliardi, Meichun Hsu, Paul Cummings, Stephen Mattin
Patented Case
View Patent ↗
Granted: Aug 22, 1995
Filed: Jan 14, 1994
Inventors
Ugo O. Gagliardi
Meichun Hsu
Paul Cummings
Stephen Mattin
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.