Granted Patent
Utility
US 5,647,331 · App. 08/699,790
Liquid cooled fuel pump and vapor separator
Inventor:
Mark S. Swanson
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Aug 19, 1996
Inventor
Mark S. Swanson
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.