Matches in DBpedia 2016-04 for { ?s ?p "Josef Papp (1933?, Tatabánya, Hungary – April 1989, Daytona Beach, Florida) was an engineer who was awarded U.S. patents related to the development of an engine, and also claimed to have invented a jet submarine.Papp was issued several U.S. patents for these inventions, including his noble gas fuel mixture.The engine continues to be considered by many scientists as a hoax."@en }
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- Josef_Papp comment "Josef Papp (1933?, Tatabánya, Hungary – April 1989, Daytona Beach, Florida) was an engineer who was awarded U.S. patents related to the development of an engine, and also claimed to have invented a jet submarine.Papp was issued several U.S. patents for these inventions, including his noble gas fuel mixture.The engine continues to be considered by many scientists as a hoax.".
- Q6280073 comment "Josef Papp (1933?, Tatabánya, Hungary – April 1989, Daytona Beach, Florida) was an engineer who was awarded U.S. patents related to the development of an engine, and also claimed to have invented a jet submarine.Papp was issued several U.S. patents for these inventions, including his noble gas fuel mixture.The engine continues to be considered by many scientists as a hoax.".