Granted Patent
Utility
US 6,467,264 · App. 09/847,834
Hydraulic circuit with a return line metering valve and method of operation
Inventors:
Dwight B. Stephenson, Joseph L. Pfaff
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: May 2, 2001
Inventors
Dwight B. Stephenson
Joseph L. Pfaff
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.