Granted Patent
Utility
US 5,387,080 · App. 08/171,699
Rotationally guided control ring for pivotable vanes in a turbomachine
Inventors:
Yassin Bouhennicha, Daniel J. Marey
Patented Case
View Patent ↗
Granted: Feb 7, 1995
Filed: Dec 22, 1993
Inventors
Yassin Bouhennicha
Daniel J. Marey
Assignee (at issue)
Societe Nationale d'Etude et de Construction de Moteurs d'Aviation - S.N.E.C.M.A
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.