Granted Patent
Utility
US 5,345,270 · App. 08/063,480
Managing letterbox signals with logos and closed captions
Inventors:
Timothy W. Saeger, Greg A. Kranawetter, Nathaniel H. Ersoz
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: May 19, 1993
Inventors
Timothy W. Saeger
Greg A. Kranawetter
Nathaniel H. Ersoz
Assignee (at issue)
Thomson Consumer Electronics
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.