Granted Patent
Utility
US 5,231,946 · App. 07/820,147
Monohull fast sealift or semi-planing monohull ship
Inventor:
David L. Giles
Patented Case
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Granted: Aug 3, 1993
Filed: Jan 13, 1992
Inventor
David L. Giles
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.