Granted Patent
Utility
US 4,642,425 · App. 06/608,048
Telephone paging system and method
Inventors:
William H. Guinn, Jr., Richard M. Corbett, Robert S. Bundy, Jeffrey M. Seaman, Keith Brent DUNCAN, Charles M. Link, II
Patented Case
View Patent ↗
Granted: Feb 10, 1987
Filed: May 7, 1984
Inventors
William H. Guinn, Jr.
Richard M. Corbett
Robert S. Bundy
Jeffrey M. Seaman
Keith Brent DUNCAN
Charles M. Link, II
Assignee (at issue)
BBL Industries, 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.