Granted Patent
Utility
US 5,897,273 · App. 08/891,028
Deburring tool and process on a hole opposite the tool
Inventor:
Adelio Joaquim Barbosa Leite
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Jul 10, 1997
Inventor
Adelio Joaquim Barbosa Leite
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.