Granted Patent
Utility
US 6,052,145 · App. 08/942,253
System and method for controlling the broadcast and recording of television programs and for distributing information to be displayed on a television screen
Inventors:
Douglas B. Macrae, Thomas E. Westberg
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Oct 1, 1997
Inventors
Douglas B. Macrae
Thomas E. Westberg
Assignee (at issue)
Gemstar Development 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.