Granted Patent
Utility
US 4,005,000 · App. 05/614,353
Electrocoating apparatus and method
Inventor:
John L. Kraska
Patented Case
View Patent ↗
Granted: Jan 25, 1977
Filed: Sep 18, 1975
Inventor
John L. Kraska
Assignee (at issue)
National Crane Corporation
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.