Granted Patent
Utility
US 5,205,922 · App. 07/618,190
Formation of pitting resistant anodized films on aluminum
Inventors:
John S. Ahearn, Guy D. Davis, William C. Moshier
Patented Case
View Patent ↗
Granted: Apr 27, 1993
Filed: Nov 20, 1990
Inventors
John S. Ahearn
Guy D. Davis
William C. Moshier
Assignee (at issue)
The United States of America, as represented by the Secretary of the Navy
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.