Granted Patent
Utility
US 4,358,485 · App. 06/131,012
Method for forming a porous aluminum layer
Inventors:
James W. Kern, Tommy M. Tetreault
Patented Case
View Patent ↗
Granted: Nov 9, 1982
Filed: Mar 17, 1980
Inventors
James W. Kern
Tommy M. Tetreault
Assignee (at issue)
Union Carbide Corporation
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.