Granted Patent
Utility
US 6,637,027 · App. 09/526,372
System and method for controlling access to broadcast services
Inventors:
Heidi H. Breslauer, Michael K. Fleming, Robert M. Fries
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Mar 16, 2000
Inventors
Heidi H. Breslauer
Michael K. Fleming
Robert M. Fries
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.