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Michael W. Kondratuk

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  • Cameron, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reversible double deadbolt mortise latch
    • Patent number 7,871,112
    • Issue date Jan 18, 2011
    • Hardware Specialties, Inc.
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Quick cam latch mechanism
    • Patent number 7,703,815
    • Issue date Apr 27, 2010
    • Hardware Specialties, Inc.
    • John K. Berkseth
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Push-pull latch bolt mechanism
    • Patent number 7,607,704
    • Issue date Oct 27, 2009
    • Hardware Specialties, Inc.
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Locking rotary latch
    • Patent number 7,134,699
    • Issue date Nov 14, 2006
    • Hardware Specialties, Inc.
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Push pull latch bolt mechanism
    • Patent number 6,926,315
    • Issue date Aug 9, 2005
    • Hardware Specialties, Inc.
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Simple deadbolt assembly
    • Patent number 6,739,162
    • Issue date May 25, 2004
    • Hardware Specialties, Inc.
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Latch apparatus
    • Patent number 6,322,113
    • Issue date Nov 27, 2001
    • Truth Hardware Corporation
    • Shawn B. Ayers
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closer
    • Patent number 6,317,922
    • Issue date Nov 20, 2001
    • Truth Hardware Corporation
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Casement window operator
    • Patent number 5,815,984
    • Issue date Oct 6, 1998
    • Wright Products Corp.
    • Benjamin L. Sheets
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Sash latch
    • Patent number 5,620,214
    • Issue date Apr 15, 1997
    • Wright Products Corp.
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    Quick cam latch mechanism
    • Publication number 20070007773
    • Publication date Jan 11, 2007
    • John K. Berkseth
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Reversible double deadbolt mortise latch
    • Publication number 20060208496
    • Publication date Sep 21, 2006
    • Hardware Specialties, Inc.
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Push-pull latch bolt mechanism
    • Publication number 20050151380
    • Publication date Jul 14, 2005
    • Hardware Specialties, Inc.
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Push pull latch bolt mechanism
    • Publication number 20040145190
    • Publication date Jul 29, 2004
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    SIMPLE DEADBOLT ASSEMBLY
    • Publication number 20040107748
    • Publication date Jun 10, 2004
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Single bolt mortise lock
    • Publication number 20040084909
    • Publication date May 6, 2004
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Latch apparatus
    • Publication number 20040017087
    • Publication date Jan 29, 2004
    • Shawn Ayres
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Rekeyable mortise lock
    • Publication number 20030159483
    • Publication date Aug 28, 2003
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Mortise latch apparatus
    • Publication number 20030033839
    • Publication date Feb 20, 2003
    • Holly Chen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES