Granted Patent
Utility
US 6,464,053 · App. 09/360,570
Single piece piston
Inventor:
Albert J. G. Hoebrechts
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Jul 26, 1999
Inventor
Albert J. G. Hoebrechts
Assignee (at issue)
Tenneco Automotive Operating Company LLC
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.