Granted Patent
Utility
US 5,227,035 · App. 07/894,566
Nitrohydrofluoric development bath for titanium alloy components
Inventors:
Francois P. Briot, Michel Biencourt, Claude G. G. Gondel, Philippe P. E. Riot, Michel Ruimi
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Jun 5, 1992
Inventors
Francois P. Briot
Michel Biencourt
Claude G. G. Gondel
Philippe P. E. Riot
Michel Ruimi
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.