Granted Patent
Utility
US 6,687,337 · App. 10/161,050
Method and system for termination blocking of message delivery service
Inventors:
Gordon Lynn Blumenschein, Jeffrey James Meek, Susanne Marie Crockett
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: May 31, 2002
Inventors
Gordon Lynn Blumenschein
Jeffrey James Meek
Susanne Marie Crockett
Assignee (at issue)
SBC Properties, L.P.
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.