Granted Patent
Utility
US 4,890,163 · App. 07/178,106
Interrupting a transition sequence between video sources
Inventors:
Brion Johnson, Michael R. Kesti, Keith Y. Reynolds
Patented Case
View Patent ↗
Granted: Dec 26, 1989
Filed: Apr 6, 1988
Inventors
Brion Johnson
Michael R. Kesti
Keith Y. Reynolds
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.