Granted Patent
Utility
US 5,245,752 · App. 07/767,047
Method of manufacturing a two piece piston
Inventors:
Andre Lippai, Jorge K. Tanigami, Paulo T. Dellanoce
Patented Case
View Patent ↗
Granted: Sep 21, 1993
Filed: Sep 27, 1991
Inventors
Andre Lippai
Jorge K. Tanigami
Paulo T. Dellanoce
Assignee (at issue)
Metal Leve S/A Industria E Comercio
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.