Granted Patent
Utility
US 4,136,070 · App. 05/853,439
Cathodic electrodeposition of paints
Inventor:
Isidor Hazan
Patented Case
View Patent ↗
Granted: Jan 23, 1979
Filed: Nov 21, 1977
Inventor
Isidor Hazan
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.