Granted Patent
Utility
US 6,491,255 · App. 09/738,125
Crashworthy external auxiliary fuel tank for aircraft
Inventors:
Jeff Bracken, Randy L. Crane, Bill York
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Dec 15, 2000
Inventors
Jeff Bracken
Randy L. Crane
Bill York
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.