Granted Patent
Utility
US 4,249,808 · App. 06/065,558
Photoplotting in color with exposure budgeting
Inventor:
Ronald B. Webster
Patented Case
View Patent ↗
Granted: Feb 10, 1981
Filed: Aug 10, 1979
Inventor
Ronald B. Webster
Assignee (at issue)
The Gerber Scientific Instrument Company
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.