Granted Patent
Utility
US 4,800,431 · App. 06/892,727
Video stream processing frame buffer controller
Inventor:
Michael F. Deering
Patented Case
View Patent ↗
Granted: Jan 24, 1989
Filed: Jul 29, 1986
Inventor
Michael F. Deering
Assignee (at issue)
Schlumberger Systems & Services, 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.