Granted Patent
Utility
US 4,603,547 · App. 06/195,787
Catalytic relight coating for gas turbine combustion chamber and method of application
Inventors:
William C. Pfefferle, Michael J. Bak
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Oct 10, 1980
Inventors
William C. Pfefferle
Michael J. Bak
Assignee (at issue)
Williams Research 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.