Granted Patent
Utility
US 5,839,352 · App. 08/689,244
Articulated piston
Inventors:
Carmo Ribeiro, Marcos Clemente, Alan S. Brown, Norbert Abraham, Sr., Kristopher R. Bare
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Aug 7, 1996
Inventors
Carmo Ribeiro
Marcos Clemente
Alan S. Brown
Norbert Abraham, Sr.
Kristopher R. Bare
Assignee (at issue)
CUMMINS ENGINE COMPANY
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.