Granted Patent
Utility
US 6,236,716 · App. 09/021,796
Call parking and paging system and method of operation
Inventors:
Nicholas R. D. Marcus, Randy M. Hoekstra, Joel J. Joseph, Jr., Richard A. Weiss, Susan Marie King
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Feb 11, 1998
Inventors
Nicholas R. D. Marcus
Randy M. Hoekstra
Joel J. Joseph, Jr.
Richard A. Weiss
Susan Marie King
Assignee (at issue)
Nortel Networks Limited
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.