Granted Patent
Utility
US 4,510,253 · App. 06/498,379
Aluminum resistant ceramic fiber composition
Inventors:
Frank Felice, Celeste B. Yonushonis
Patented Case
View Patent ↗
Granted: Apr 9, 1985
Filed: May 26, 1983
Inventors
Frank Felice
Celeste B. Yonushonis
Assignee (at issue)
Combustion Engineering, 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.