Granted Patent
Utility
US 6,431,527 · App. 09/705,235
Rotary throttle valve carburetor
Inventors:
Masao Suzuki, Tamio Aihara
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Nov 2, 2000
Inventors
Masao Suzuki
Tamio Aihara
Assignee (at issue)
WALBRO LLC
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.