Granted Patent
Utility
US 6,628,955 · App. 09/881,358
System and method for increasing the data rate for cellular digital packet data (CDPD) services
Inventors:
Leonard Lee, Evin Feli
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Jun 14, 2001
Inventors
Leonard Lee
Evin Feli
Assignee (at issue)
ERICSSON GMBH
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.