Granted Patent
Utility
US 6,647,969 · App. 10/021,445
Vapor-separating fuel system utilizing evaporation chamber
Inventor:
Joseph S. Adams
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Oct 30, 2001
Inventor
Joseph S. Adams
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.