Granted Patent
Utility
US 5,452,471 · App. 08/237,422
Network of hierarchical communication systems and method therefor
Inventors:
Raymond J. Leopold, Gregory B. Vatt, William F. Zancho
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: May 2, 1994
Inventors
Raymond J. Leopold
Gregory B. Vatt
William F. Zancho
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.