Granted Patent
Utility
US 6,674,042 · App. 09/979,063
Method and device for forming porous metal parts by sintering
Inventors:
Andre Walder, Brigitte Martin
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Mar 1, 2002
Inventors
Andre Walder
Brigitte Martin
Assignees (at issue)
RENAULT S.A.S.
ONERA (OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AEROSPATIALES)
Arvin Exhaust SA
Gervois SA
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.