Granted Patent
Utility
US 6,226,618 · App. 09/133,519
Electronic content delivery system
Inventors:
Edgar Downs, George Gregory Gruse, Marco M. Hurtado, Christopher T. Lehman, Kenneth L. Milsted, Jeffrey Bruce Lotspiech
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Aug 13, 1998
Inventors
Edgar Downs
George Gregory Gruse
Marco M. Hurtado
Christopher T. Lehman
Kenneth L. Milsted
Jeffrey Bruce Lotspiech
Assignee (at issue)
International Business Machines Corporation
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.