Granted Patent
Utility
US 5,604,164 · App. 08/524,242
Refractory boat and method of manufacture
Inventors:
Lionel C. Montgomery, Ajoy Zutshi
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Sep 6, 1995
Inventors
Lionel C. Montgomery
Ajoy Zutshi
Assignee (at issue)
ADVANCED CERAMIC X 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.