Granted Patent
Utility
US 4,574,279 · App. 06/438,975
Video display system having multiple selectable screen formats
Inventor:
Kenneth B. Roberts
Patented Case
View Patent ↗
Granted: Mar 4, 1986
Filed: Nov 3, 1982
Inventor
Kenneth B. Roberts
Assignee (at issue)
Compaq Computer Corporation
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.