Granted Patent
Utility
US 5,745,481 · App. 08/657,267
Message system and method for efficient multi-frequency roaming
Inventors:
W. Garland Phillips, Jheroen Dorenbosch, Terence Edward Sumner
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Jun 3, 1996
Inventors
W. Garland Phillips
Jheroen Dorenbosch
Terence Edward Sumner
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.