Granted Patent
Utility
US 6,706,214 · App. 10/328,197
Composition and process for inhibiting corrosion of metallic substrates
Inventor:
Gerald Wojcik
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Dec 23, 2002
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.