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John A. Hoffmann

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  • Lynn Center, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lawn broom
    • Patent number 3,995,415
    • Issue date Dec 7, 1976
    • John Allen Hoffmann
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Band saw drive arrangement
    • Patent number 3,935,780
    • Issue date Feb 3, 1976
    • John A. Hoffmann
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR