Granted Patent
Utility
US 4,425,496 · App. 06/150,367
Removal of metal coating from dielectric material
Inventors:
Daniel Le Fur, Robert Haug, Max Goldman
Patented Case
View Patent ↗
Granted: Jan 10, 1984
Filed: May 16, 1980
Inventors
Daniel Le Fur
Robert Haug
Max Goldman
Assignee (at issue)
Electricite de France - Service National
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.