Granted Patent
Utility
US 6,314,408 · App. 09/116,558
Method and apparatus for controlling access to a product
Inventors:
Pito Salas, Jeffrey Beir, Melissa Leffler, McDonald Glenn, Paul Kleppner, Craig Morrissey, James E. Tonra, Jr.
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Jul 15, 1998
Inventors
Pito Salas
Jeffrey Beir
Melissa Leffler
McDonald Glenn
Paul Kleppner
Craig Morrissey
James E. Tonra, Jr.
Assignee (at issue)
eRoom Technology, 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.