Granted Patent
Utility
US 6,152,191 · App. 09/285,888
Apparatus and method for controlling and prevention of venting of gaseous fuel to atmosphere from a vehicle tank at completion of a fuelling process
Inventors:
Anthony Chan, Ralph Rackham
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: Apr 7, 1999
Inventors
Anthony Chan
Ralph Rackham
Assignee (at issue)
Fuelmaker Corporation
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.