Granted Patent
Utility
US 6,089,252 · App. 09/097,949
Manifold for auxiliary fuel tank
Inventor:
David L. Braun
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Jun 16, 1998
Inventor
David L. Braun
Assignee (at issue)
Robertson Aviation 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.