Granted Patent
Utility
US 6,248,401 · App. 08/846,080
Process for treating a metallic body with vapor-deposited treatment layer(s) and adhesion-promoting layer
Inventors:
Shiuh-Kao Chiang, Mary K. Prokop, Tibor Kalnoki-Kis
Patented Case
View Patent ↗
Granted: Jun 19, 2001
Filed: Apr 25, 1997
Inventors
Shiuh-Kao Chiang
Mary K. Prokop
Tibor Kalnoki-Kis
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.