Granted Patent
Utility
US 5,397,652 · App. 08/165,085
Corrosion resistant, colored stainless steel and method of making same
Inventors:
Jay F. Carey, II, Nicholas R. Hesske
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: Dec 10, 1993
Inventors
Jay F. Carey, II
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.