Granted Patent
Utility
US 6,748,231 · App. 09/944,468
Method and apparatus for controlling power during a dispatch group call
Inventors:
Shao Wei Pan, Frank Zhou, Hechun Cai
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Aug 31, 2001
Inventors
Shao Wei Pan
Frank Zhou
Hechun Cai
Assignee (at issue)
Motorola, 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.