Granted Patent
Utility
US 5,311,570 · App. 07/699,084
Integration of wireless paging in a communication system
Inventors:
Gary J. Grimes, Lawrence J. Haas
Patented Case
View Patent ↗
Granted: May 10, 1994
Filed: May 10, 1991
Inventors
Gary J. Grimes
Lawrence J. Haas
Assignee (at issue)
AT&T Bell Laboratories
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.