Granted Patent
Utility
US 5,134,615 · App. 07/593,146
Frequency agile TDMA communications system
Inventors:
Thomas A. Freeburg, Willy Gehardt, John Ley
Patented Case
View Patent ↗
Granted: Jul 28, 1992
Filed: Oct 5, 1990
Inventors
Thomas A. Freeburg
Willy Gehardt
John Ley
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.