Granted Patent
Utility
US 4,718,325 · App. 06/926,216
Hydraulic swing control for boom assembly
Inventor:
Daniel B. Shore
Patented Case
View Patent ↗
Granted: Jan 12, 1988
Filed: Nov 3, 1986
Inventor
Daniel B. Shore
Assignee (at issue)
J. I. Case Company
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.