Granted Patent
Utility
US 6,318,241 · App. 09/519,039
Piston for a hydrostatic cylinder block
Inventors:
Robert J. Stoppek, Mark A. Landwehr
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Mar 3, 2000
Inventors
Robert J. Stoppek
Mark A. Landwehr
Assignee (at issue)
SAUER-DANFOSS INC.
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.