Granted Patent
Utility
US 5,809,972 · App. 08/899,342
Venturi-assisted fuel injection carburetor system
Inventor:
Barry Grant
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Jul 23, 1997
Inventor
Barry Grant
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.