Granted Patent
Utility
US 4,343,828 · App. 06/273,888
Electrodynamic painting system and method
Inventors:
Robert Smead, Thomas J. Richards, Charles E. Lanchantin, Jr.
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: Dec 24, 1980
Inventors
Robert Smead
Thomas J. Richards
Charles E. Lanchantin, Jr.
Assignee (at issue)
Caterpillar Tractor Co.
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.