Granted Patent
Utility
US 6,131,031 · App. 08/948,771
System and method for an underlay cellular system
Inventors:
Richard M. Lober, Ali Fouladi Semnani, Marc Elgaway
Patented Case
View Patent ↗
Granted: Oct 10, 2000
Filed: Oct 10, 1997
Inventors
Richard M. Lober
Ali Fouladi Semnani
Marc Elgaway
Assignee (at issue)
Watkins-Johnson Company, 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.