Granted Patent
Utility
US 5,238,986 · App. 07/837,606
Nonaqueous composition for slip casting or cold forming refractory material into solid shapes
Inventor:
Lionel C. Montgomery
Patented Case
View Patent ↗
Granted: Aug 24, 1993
Filed: Feb 21, 1992
Inventor
Lionel C. Montgomery
Assignee (at issue)
Praxair S.T. Technology, 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.