Granted Patent
Utility
US 4,422,576 · App. 06/287,818
Electrostatic coating machine and method of changing color of paints thereby
Inventors:
Eiiji Saito, Shoji Aizawa, Michio Mitsui, Tomohiko Miyata, Masayuki Kuroda
Patented Case
View Patent ↗
Granted: Dec 27, 1983
Filed: Jul 28, 1981
Inventors
Eiiji Saito
Shoji Aizawa
Michio Mitsui
Tomohiko Miyata
Masayuki Kuroda
Assignee (at issue)
Ransburg Japan, Ltd.
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.