Granted Patent
Utility
US 5,772,795 · App. 08/773,205
High strength deep drawing steel developed by reaction with ammonia
Inventors:
J. Scott Lally, Harish A. Holla
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Dec 23, 1996
Inventors
J. Scott Lally
Harish A. Holla
Assignee (at issue)
USX 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.