Granted Patent
Utility
US 4,249,807 · App. 06/038,452
Color plotting device and method
Inventors:
Ronald B. Webster, Ronald P. Larsen
Patented Case
View Patent ↗
Granted: Feb 10, 1981
Filed: May 14, 1979
Inventors
Ronald B. Webster
Ronald P. Larsen
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.