Granted Patent
Utility
US 5,879,475 · App. 08/831,258
Vanadium-free, lithium-free aluminum alloy suitable for forged aerospace products
Inventor:
Lynette M. Karabin
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Apr 8, 1997
Inventor
Lynette M. Karabin
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.