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Composite sprocket
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Patent number 11,585,423
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Issue date Feb 21, 2023
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ContiTech Antriebssysteme GmbH
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Jacob Kaplan
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B22 - CASTING POWDER METALLURGY
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3094753
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Patent number 3,094,753
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Issue date Jun 25, 1963
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B22 - CASTING POWDER METALLURGY
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2445583
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Patent number 2,445,583
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Issue date Jul 20, 1948
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2231427
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Patent number 2,231,427
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Issue date Feb 11, 1941
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B22 - CASTING POWDER METALLURGY
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1716833
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Patent number 1,716,833
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Issue date Jun 11, 1929
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B22 - CASTING POWDER METALLURGY
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1697470
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Patent number 1,697,470
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Issue date Jan 1, 1929
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B22 - CASTING POWDER METALLURGY
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1444213
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Patent number 1,444,213
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Issue date Feb 6, 1923
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B22 - CASTING POWDER METALLURGY
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1365029
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Patent number 1,365,029
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Issue date Jan 11, 1921
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B22 - CASTING POWDER METALLURGY
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1358190
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Patent number 1,358,190
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Issue date Nov 9, 1920
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B22 - CASTING POWDER METALLURGY
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1348158
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Patent number 1,348,158
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Issue date Aug 3, 1920
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B22 - CASTING POWDER METALLURGY