Granted Patent
Utility
US 6,772,589 · App. 10/218,436
Hydraulic system with variable fluid flow under pressure to fluid-operated consumers
Inventors:
Oliver Schienbein, Matthias Kanter
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Aug 14, 2002
Inventors
Oliver Schienbein
Matthias Kanter
Assignee (at issue)
Demag Ergotech Wiehe GmbH
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.