Granted Patent
Utility
US 5,229,973 · App. 07/866,424
Method of selecting ultrasonic transducers for use in ultrasonic inspection apparatus
Inventors:
Eric Guillot, Pierre M. Jagnoux, Gerard Y. Mangenet
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Apr 10, 1992
Inventors
Eric Guillot
Pierre M. Jagnoux
Gerard Y. Mangenet
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.