Granted Patent
Utility
US 6,203,439 · App. 09/096,059
Hydraulic machine
Inventors:
Tom Tychsen, Hans Christian Petersen, Claus Johansen
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Jun 11, 1998
Inventors
Tom Tychsen
Hans Christian Petersen
Claus Johansen
Assignee (at issue)
Danfoss Fluid Power A/S
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.