Granted Patent
Utility
US 5,102,221 · App. 07/600,813
Apparatus for retouching, in situ, components such as the rotor blades of a turbomachine, and a retouching method using the apparatus
Inventors:
Pierre L. Desgranges, Jerome Werstler
Patented Case
View Patent ↗
Granted: Apr 7, 1992
Filed: Oct 22, 1990
Inventors
Pierre L. Desgranges
Jerome Werstler
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.