Granted Patent
Utility
US 5,928,041 · App. 09/020,560
Rotary valve actuated hydraulic steering system
Inventors:
David J. Anderson, Jason R. Danner
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Feb 9, 1998
Inventors
David J. Anderson
Jason R. Danner
Assignee (at issue)
Commercial Intertech Limited
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.