Granted Patent
Utility
US 5,157,494 · App. 07/677,080
Apparatus and method for combining video signals to provide an output signal with full field coverage
Inventor:
Daniel J. Chaplin
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Mar 29, 1991
Inventor
Daniel J. Chaplin
Assignee (at issue)
GRASS VALLEY LIMITED
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.