Granted Patent
Utility
US 5,574,750 · App. 08/121,339
Methods and apparatus for detecting a cellular digital packet data (CDPD) carrier
Inventors:
George M. Peponides, Kumar Balachandran
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Sep 14, 1993
Inventors
George M. Peponides
Kumar Balachandran
Assignee (at issue)
Pacific Communication Sciences, 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.