Granted Patent
Utility
US 6,715,402 · App. 10/082,862
Hydraulic control circuit for operating a split actuator mechanical mechanism
Inventors:
Joseph L. Pfaff, Dwight B. Stephenson
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Feb 26, 2002
Inventors
Joseph L. Pfaff
Dwight B. Stephenson
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.