Granted Patent
Utility
US 6,811,891 · App. 10/346,262
Corrosion-resistant coated metal and method for making the same
Inventors:
Jay F. Carey, II, Mehrooz Zamanzadeh, Nicholas R. Hesske
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Jan 17, 2003
Inventors
Jay F. Carey, II
Mehrooz Zamanzadeh
Nicholas R. Hesske
Assignee (at issue)
Louis Berkman Company
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.