Granted Patent
Utility
US 4,376,514 · App. 06/218,172
Holder for electrostatic spraying of liquids
Inventor:
Ronald A. Coffee
Patented Case
View Patent ↗
Granted: Mar 15, 1983
Filed: Dec 18, 1980
Inventor
Ronald A. Coffee
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.