Granted Patent
Utility
US 5,592,963 · App. 08/539,197
Control valve and system for fuel vapor recovery
Inventors:
George H. Bucci, Mark Johansen
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Oct 4, 1995
Inventors
George H. Bucci
Mark Johansen
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.