Granted Patent
Utility
US 5,627,951 · App. 08/395,233
Graphical display of chroma keyer controls
Inventors:
Daniel J. Chaplin, Paul M. Trethewey, Paul S. Miller
Patented Case
View Patent ↗
Granted: May 6, 1997
Filed: Feb 27, 1995
Inventors
Daniel J. Chaplin
Paul M. Trethewey
Paul S. Miller
Assignee (at issue)
Tektronix, 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.