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Stephen F. Guthmann

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  • DeWitt, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sliding bolt pressing surfaces type rope widening apparatus
    • Patent number 4,734,961
    • Issue date Apr 5, 1988
    • Stephen F. Guthmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rope widening apparatus
    • Patent number 4,458,389
    • Issue date Jul 10, 1984
    • Stephen F. Guthmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...