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Joseph B. Princehouse

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  • Dayton, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus and method for forging a bicycle crank
    • Patent number 3,940,969
    • Issue date Mar 2, 1976
    • The Harris-Thomas Drop Forge Company
    • Joseph B. Princehouse
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...