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Superplastic forming part
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Patent number 6,098,438
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Issue date Aug 8, 2000
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The Boeing Company
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John Robert Fischer
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Prethinning for superplastic forming
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Patent number 5,823,032
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Issue date Oct 20, 1998
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The Boeing Company
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John Robert Fischer
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Die for superplastic forming
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Patent number 5,647,239
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Issue date Jul 15, 1997
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The Boeing Company
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John Robert Fischer
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Gas control for superplastic forming
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Patent number 5,419,170
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Issue date May 30, 1995
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The Boeing Company
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Daniel G. Sanders
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...