Granted Patent
Utility
US 4,735,635 · App. 07/023,999
Apparatus and process for filtering high temperature gas streams
Inventors:
Gordon A. Israelson, Thomas E. Lippert, John Schwab, David F. Ciliberti
Patented Case
View Patent ↗
Granted: Apr 5, 1988
Filed: Mar 10, 1987
Inventors
Gordon A. Israelson
Thomas E. Lippert
John Schwab
David F. Ciliberti
Assignee (at issue)
Westinghouse Electric Company LLC
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.