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Cast magnesium alloy wheels
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Patent number 8,776,372
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Issue date Jul 15, 2014
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GM Global Technology Operations LLC
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Paul E. Krajewski
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Steering wheel insert
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Patent number 5,924,199
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Issue date Jul 20, 1999
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General Motors Corporation
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James Kent Conlee
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2080455
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Patent number 2,080,455
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Issue date May 18, 1937
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1765755
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Patent number 1,765,755
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Issue date Jun 24, 1930
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1735423
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Patent number 1,735,423
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Issue date Nov 12, 1929
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1710058
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Patent number 1,710,058
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Issue date Apr 23, 1929
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1685849
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Patent number 1,685,849
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Issue date Oct 2, 1928
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1650780
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Patent number 1,650,780
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Issue date Nov 29, 1927
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...