Granted Patent
Utility
US 4,724,491 · App. 06/645,117
Inserting television advertising spots automatically
Inventor:
Trevor Lambert
Patented Case
View Patent ↗
Granted: Feb 9, 1988
Filed: Aug 28, 1984
Inventor
Trevor Lambert
Assignee (at issue)
Adams-Russell Co. 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.