Granted Patent
Utility
US 5,950,429 · App. 08/992,591
Hydraulic control valve system with load sensing priority
Inventor:
Eric P. Hamkins
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Dec 17, 1997
Inventor
Eric P. Hamkins
Assignee (at issue)
HUSCO International, Inc.
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.