Granted Patent
Utility
US 6,701,823 · App. 10/182,688
Method and device for controlling a lift cylinder, especially of working machines
Inventors:
Jurgen Weber, Volker Bösebech
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Jul 30, 2002
Inventors
Jurgen Weber
Volker Bösebech
Assignee (at issue)
O & K Orenstein and 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.