Granted Patent
Utility
US 4,537,837 · App. 06/578,010
Corrosion resistant metal composite with metallic undercoat and chromium topcoat
Inventors:
Walter H. Gunn, Alexander W. Kennedy
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Feb 13, 1984
Inventors
Walter H. Gunn
Alexander W. Kennedy
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.