Granted Patent
Utility
US 4,290,019 · App. 06/010,913
Methods of deriving image information from objects
Inventors:
James M. S. Hutchison, John R. Mallard, Robert James Sutherland
Patented Case
View Patent ↗
Granted: Sep 15, 1981
Filed: Feb 9, 1979
Inventors
James M. S. Hutchison
John R. Mallard
Robert James Sutherland
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT 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.