Granted Patent
Utility
US 6,505,232 · App. 10/035,386
Method of using electronic tickets containing privileges for improved security
Inventors:
Lee Mighdoll, Bruce A. Leak, Stephen G. Perlman, Phillip Y. Goldman
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Oct 23, 2001
Inventors
Lee Mighdoll
Bruce A. Leak
Stephen G. Perlman
Phillip Y. Goldman
Assignee (at issue)
WebTV Networks, 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.