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Flying apparatus
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Patent number 11,485,477
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Issue date Nov 1, 2022
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PRADES IMASD, S.L.
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Guillermo Ramiro Villabrille Prades
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B60 - VEHICLES IN GENERAL
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Aircraft lift mechanism
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Patent number 4,886,224
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Issue date Dec 12, 1989
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Mario G. Joy
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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3124200
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Patent number 3,124,200
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Issue date Mar 10, 1964
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2413372
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Patent number 2,413,372
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Issue date Dec 31, 1946
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2378125
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Patent number 2,378,125
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Issue date Jun 12, 1945
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2270686
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Patent number 2,270,686
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Issue date Jan 20, 1942
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2176542
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Patent number 2,176,542
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Issue date Oct 17, 1939
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2021510
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Patent number 2,021,510
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Issue date Nov 19, 1935
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2011300
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Patent number 2,011,300
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Issue date Aug 13, 1935
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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1651230
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Patent number 1,651,230
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Issue date Nov 29, 1927
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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1644787
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Patent number 1,644,787
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Issue date Oct 11, 1927
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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1331997
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Patent number 1,331,997
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Issue date Feb 24, 1920
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B60 - VEHICLES IN GENERAL