Granted Patent
Utility
US 6,715,997 · App. 10/126,359
Housing for a rotary hydraulic unit with a servo piston
Inventors:
Stephen C. Frantz, Robert Klinkel
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Apr 19, 2002
Inventors
Stephen C. Frantz
Robert Klinkel
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.