Granted Patent
Utility
US 5,823,034 · App. 08/948,678
Superplastic metalforming with self-contained die
Inventor:
Donald O. Nelepovitz
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: Oct 10, 1997
Inventor
Donald O. Nelepovitz
Assignee (at issue)
Hyperform Technologies, Inc.
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.