Granted Patent
Utility
US 5,884,388 · App. 08/859,195
Method for manufacturing a friction-wear aluminum part
Inventors:
Edward P. Patrick, A. Victor Pajerski, Roger W. Kaufold, Robert J. Speer
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: May 20, 1997
Inventors
Edward P. Patrick
A. Victor Pajerski
Roger W. Kaufold
Robert J. Speer
Assignee (at issue)
Aluminum Company of America
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.