Granted Patent
Utility
US 5,493,853 · App. 08/142,183
Draw bar bifold hay rake
Inventor:
Carletto Tonutti
Patented Case
View Patent ↗
Granted: Feb 27, 1996
Filed: Oct 26, 1993
Inventor
Carletto Tonutti
Assignee (at issue)
Tonutti S.p.A.
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.