Granted Patent
Utility
US 6,663,081 · App. 10/153,944
Safety mechanism for use with a power unit and a hydraulic jack
Inventor:
Harry H. Arzouman
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: May 23, 2002
Inventor
Harry H. Arzouman
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.