Granted Patent
Utility
US 6,508,958 · App. 09/906,370
Composition and process for inhibiting corrosion of metallic substrates
Inventor:
Gerald Wojcik
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Jul 16, 2001
Inventor
Gerald Wojcik
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.