TREA

John Hallsten

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  • Sacramento, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dock structure
    • Patent number 5,845,594
    • Issue date Dec 8, 1998
    • Hallsten Corporation
    • John Hallsten
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Tank cover structure
    • Patent number 5,325,646
    • Issue date Jul 5, 1994
    • Hallsten Supply Co.
    • Jeffrey A. Hallsten
    • E04 - BUILDING
  • Information Patent Grant

    Extruded metal plank for an interlocking field-erectable deck or co...
    • Patent number D345222
    • Issue date Mar 15, 1994
    • Hallsten Supply Co.
    • Jeffrey A. Hallsten
    • D25 - Building units and construction elements
  • Information Patent Grant

    Deck structure
    • Patent number 5,050,361
    • Issue date Sep 24, 1991
    • Hallsten Supply Company
    • John Hallsten
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING