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David D. Swartzentruber

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  • Beloit, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sleeve bearing device
    • Patent number 8,371,755
    • Issue date Feb 12, 2013
    • Mastergear Worldwide A Division of Recal-Beloit Corporation
    • David Swartzentruber
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Subsea valve actuator apparatus
    • Patent number 8,087,424
    • Issue date Jan 3, 2012
    • David D Swartzentruber
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Subsea valve actuator apparatus
    • Publication number 20090072179
    • Publication date Mar 19, 2009
    • David D. Swartzentruber
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Sleeve bearing device
    • Publication number 20090041397
    • Publication date Feb 12, 2009
    • David Swartzentruber
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...