Granted Patent
Utility
US 6,029,072 · App. 08/788,170
Portable telephone with terminal mode facility
Inventor:
Clifton J. Barber
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Jan 24, 1997
Inventor
Clifton J. Barber
Assignee (at issue)
Oki Telecom, 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.