Granted Patent
Utility
US 6,792,906 · App. 10/651,060
Anti-stain intake manifold and fill neck for internal combustion engine
Inventor:
Barry Grant
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Aug 28, 2003
Inventor
Barry Grant
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.