Granted Patent
Utility
US 5,609,089 · App. 08/352,774
Control for dividing the ouput flow in hydraulic systems to a plurality of users
Inventor:
Gustav Leidinger
Patented Case
View Patent ↗
Granted: Mar 11, 1997
Filed: Dec 1, 1994
Inventor
Gustav Leidinger
Assignees (at issue)
O&K Orenstein
Koppel AG
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.