Granted Patent
Utility
US 6,796,857 · App. 10/297,300
Propulsion system for a ship
Inventors:
Jens Tornblad, Christer Häger, Sven-Gunnar Karlsson, Gunnar Styrud
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Dec 4, 2002
Inventors
Jens Tornblad
Christer Häger
Sven-Gunnar Karlsson
Gunnar Styrud
Assignee (at issue)
Rolls-Royce Corporation
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.