Granted Patent
Utility
US 6,581,580 · App. 09/768,770
Hydrocarbon vapor evacuation system
Inventors:
David K. Trumpy, Philip J. Johnson
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Jan 24, 2001
Inventors
David K. Trumpy
Philip J. Johnson
Assignee (at issue)
FORD GLOBAL TECHNOLOGIES, 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.