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3397854
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Patent number 3,397,854
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Issue date Aug 20, 1968
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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3003718
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Patent number 3,003,718
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Issue date Oct 10, 1961
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2711866
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Patent number 2,711,866
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Issue date Jun 28, 1955
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2604276
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Patent number 2,604,276
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Issue date Jul 22, 1952
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2577058
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Patent number 2,577,058
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Issue date Dec 4, 1951
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2422452
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Patent number 2,422,452
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Issue date Jun 17, 1947
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2422397
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Patent number 2,422,397
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Issue date Jun 17, 1947
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2242202
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Patent number 2,242,202
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Issue date May 13, 1941
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2236653
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Patent number 2,236,653
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Issue date Apr 1, 1941
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2164545
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Patent number 2,164,545
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Issue date Jul 4, 1939
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2134447
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Patent number 2,134,447
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Issue date Oct 25, 1938
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2119181
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Patent number 2,119,181
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Issue date May 31, 1938
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B64 - AIRCRAFT AVIATION COSMONAUTICS