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Robert S. Sporzynski

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  • Chelsea, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotor for disc brake assembly
    • Patent number 6,367,598
    • Issue date Apr 9, 2002
    • Kelsey-Hayes Company
    • Robert S. Sporzynski
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Disc brake rotor
    • Patent number 6,142,267
    • Issue date Nov 7, 2000
    • Kelsey-Hayes Company
    • Robert S. Sporzynski
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Disc brake piston
    • Patent number 5,105,917
    • Issue date Apr 21, 1992
    • Kelsey-Hayes Company
    • Robert S. Sporzynski
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Disc brake rotor
    • Patent number 4,930,606
    • Issue date Jun 5, 1990
    • Kelsey-Hayes Company
    • Robert S. Sporzynski
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Piston for disc brake assembly
    • Publication number 20050109569
    • Publication date May 26, 2005
    • Robert S. Sporzynski
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...