Granted Patent
Utility
US 4,533,303 · App. 06/550,319
Hydrostatic control device, particularly steering device
Inventors:
Hans Christian Petersen, Erik Kyster, Svend E. Thomsen
Patented Case
View Patent ↗
Granted: Aug 6, 1985
Filed: Nov 21, 1983
Inventors
Hans Christian Petersen
Erik Kyster
Svend E. Thomsen
Assignee (at issue)
DANFOSS 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.