Granted Patent
Utility
US 6,463,271 · App. 08/481,627
Portable radio telephone data terminal using cdpd
Inventors:
Martin Schroeder, Yorgos M. Peponides, Michael L. Lubin
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Jun 7, 1995
Inventors
Martin Schroeder
Yorgos M. Peponides
Michael L. Lubin
Assignee (at issue)
Cirrus Logic 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.