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David Halstead

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  • Alta Loma, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wrench
    • Patent number D1034121
    • Issue date Jul 9, 2024
    • David Halstead
    • D08 - Tools and hardware
  • Information Patent Grant

    Stake driver tool
    • Patent number D838569
    • Issue date Jan 22, 2019
    • David Halstead
    • D08 - Tools and hardware
  • Information Patent Grant

    Impact socket
    • Patent number D715612
    • Issue date Oct 21, 2014
    • David Halstead
    • D08 - Tools and hardware
  • Information Patent Grant

    Information tracking device and method
    • Patent number 7,555,995
    • Issue date Jul 7, 2009
    • Kenneth T. Stump
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Screwdriver for strong-drive screws with quick disconnect
    • Patent number D584118
    • Issue date Jan 6, 2009
    • David Halstead
    • D08 - Tools and hardware
  • Information Patent Grant

    Air directing device for a power saw
    • Patent number D571178
    • Issue date Jun 17, 2008
    • David Halstead
    • D08 - Tools and hardware
  • Information Patent Grant

    Air directing device for a power saw
    • Patent number D550053
    • Issue date Sep 4, 2007
    • David Halstead
    • D08 - Tools and hardware
  • Information Patent Grant

    Tracking device and method
    • Patent number 7,032,535
    • Issue date Apr 25, 2006
    • David Halstead
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Combination wrench for saw and chuck key for drill
    • Patent number D512613
    • Issue date Dec 13, 2005
    • David Halstead
    • D08 - Tools and hardware
  • Information Patent Grant

    Shingle lifting tool
    • Patent number 6,792,829
    • Issue date Sep 21, 2004
    • Arturo C. Garcia
    • E04 - BUILDING
  • Information Patent Grant

    Deep socket wrench
    • Patent number D495569
    • Issue date Sep 7, 2004
    • David Halstead
    • D08 - Tools and hardware
  • Information Patent Grant

    Combination gas valve wrench and water valve wrench
    • Patent number D472777
    • Issue date Apr 8, 2003
    • David Halstead
    • D08 - Tools and hardware
  • Information Patent Grant

    Impact socket
    • Patent number D472778
    • Issue date Apr 8, 2003
    • David Halstead
    • D08 - Tools and hardware
  • Information Patent Grant

    Hammer
    • Patent number D465714
    • Issue date Nov 19, 2002
    • Kenneth T. Stump
    • D08 - Tools and hardware
  • Information Patent Grant

    Hand cart
    • Patent number D463649
    • Issue date Sep 24, 2002
    • David Halstead
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Saw extension
    • Patent number 6,349,712
    • Issue date Feb 26, 2002
    • David Halstead
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Dolly and method of use
    • Patent number 6,347,907
    • Issue date Feb 19, 2002
    • David Halstead
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Attachment wheel for a concrete finishing machine
    • Patent number D451104
    • Issue date Nov 27, 2001
    • David Halstead
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Gas valve wrench
    • Patent number D438437
    • Issue date Mar 6, 2001
    • David Halstead
    • D08 - Tools and hardware

Patents Applicationslast 30 patents

  • Information Patent Application

    Tracking device and method
    • Publication number 20030131781
    • Publication date Jul 17, 2003
    • David Halstead
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Saw extension
    • Publication number 20020096166
    • Publication date Jul 25, 2002
    • David Halstead
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    Shingle lifting tool
    • Publication number 20020053261
    • Publication date May 9, 2002
    • Garcia C. Arturo
    • E04 - BUILDING