Granted Patent
Utility
US 6,827,337 · App. 09/817,531
Rotary throttle valve carburetor
Inventor:
Hitoshi Terakado
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Mar 26, 2001
Inventor
Hitoshi Terakado
Assignee (at issue)
Walbro Japan Limited
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.