Granted Patent
Utility
US 6,691,983 · App. 10/154,071
Economical lifting device-jack stand
Inventor:
Harry H. Arzouman
Patented Case
View Patent ↗
Granted: Feb 17, 2004
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.