Granted Patent
Utility
US 4,854,120 · App. 07/132,181
Performance envelope extension method for a gas turbine engine
Inventors:
Neil M. Nelson, William A. Sponzilli, Quitman W. Lott
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Dec 14, 1987
Inventors
Neil M. Nelson
William A. Sponzilli
Quitman W. Lott
Assignee (at issue)
CEF Industries, 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.