TREA

ROTHBURY INVESTMENTS LTD

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  • RICHMOND HILL, CA
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Retaining wall blocks
    • Patent number 5,622,456
    • Issue date Apr 22, 1997
    • Rothbury Investments Ltd.
    • Angelo Risi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Retaining wall block
    • Patent number D370272
    • Issue date May 28, 1996
    • Rothbury Investments Ltd.
    • Angelo Risi
    • D25 - Building units and construction elements
  • Information Patent Grant

    Modular block
    • Patent number D346031
    • Issue date Apr 12, 1994
    • Rothbury Investments Limited
    • Angelo Risi
    • D25 - Building units and construction elements
  • Information Patent Grant

    Modular block
    • Patent number D341432
    • Issue date Nov 16, 1993
    • Rothbury Investments Limited
    • Angelo Risi
    • D25 - Building units and construction elements
  • Information Patent Grant

    Modular block
    • Patent number D340293
    • Issue date Oct 12, 1993
    • Rothbury Investments Limited
    • Angelo Risi
    • D25 - Building units and construction elements
  • Information Patent Grant

    Connector for use in combination with blocks for wall structures or...
    • Patent number 5,248,226
    • Issue date Sep 28, 1993
    • Rothbury Investments Limited
    • Angelo Risi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Embankment reinforcing structures
    • Patent number 5,064,313
    • Issue date Nov 12, 1991
    • Rothbury Investments Limited
    • Angelo Risi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Modular block
    • Patent number D320088
    • Issue date Sep 17, 1991
    • Rothbury Investments Limited
    • Angelo Risi
    • D25 - Building units and construction elements
  • Information Patent Grant

    Modular block
    • Patent number D305938
    • Issue date Feb 6, 1990
    • Rothbury Investments Limited
    • Angelo Risi
    • D25 - Building units and construction elements
  • Information Patent Grant

    Modular block
    • Patent number D301063
    • Issue date May 9, 1989
    • Rothbury Investments Limited
    • Angelo Risi
    • D25 - Building units and construction elements
  • Information Patent Grant

    Retaining wall system
    • Patent number 4,815,897
    • Issue date Mar 28, 1989
    • Rothbury Investments Limited
    • Angelo Risi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Reversible modular coping block
    • Patent number D299069
    • Issue date Dec 20, 1988
    • Rothbury Investments Limited
    • Angelo Risi
    • D25 - Building units and construction elements

Trademarklast 30 trademarks

  • Information Trademark

    74296960 - PISA LITE
    • Serial number 74296960
    • Registration number 1902597
    • Filing date Jul 23, 1992
    • Rothbury Investments Limited
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    74122069 - THE WALL MANAGER
    • Serial number 74122069
    • Registration number 1777675
    • Filing date Dec 10, 1990
    • Rothbury Investments Limited
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    74124787 - RISIGRID
    • Serial number 74124787
    • Registration number 1725666
    • Filing date Dec 10, 1990
    • Rothbury Investments Limited
    • 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
  • Information Trademark

    73791549 - VARI
    • Serial number 73791549
    • Registration number 1939066
    • Filing date Apr 6, 1989
    • RISI STONE LTD.
    • 19 - Building materials (non-metallic)
  • Information Trademark

    73770443 - PISA STONE
    • Serial number 73770443
    • Registration number 1911419
    • Filing date Dec 19, 1988
    • RISI STONE LTD.
    • 19 - Building materials (non-metallic)
  • Information Trademark

    73759785 - DURA-HOLD II
    • Serial number 73759785
    • Registration number 1911418
    • Filing date Oct 25, 1988
    • RISI STONE LTD.
    • 19 - Building materials (non-metallic)
  • Information Trademark

    73759784 - DURA-CRIB II
    • Serial number 73759784
    • Registration number 1911417
    • Filing date Oct 25, 1988
    • RISI STONE LTD.
    • 19 - Building materials (non-metallic)
  • Information Trademark

    73514797 - PISA II
    • Serial number 73514797
    • Registration number 1388327
    • Filing date Dec 21, 1984
    • RISI STONE LTD.
    • 19 - Building materials (non-metallic)
  • Information Trademark

    73474679 - DURA-HOLD
    • Serial number 73474679
    • Registration number 1405834
    • Filing date Apr 5, 1984
    • RISI STONE LTD.
    • 19 - Building materials (non-metallic)
  • Information Trademark

    73453988 - TERRA-WALL
    • Serial number 73453988
    • Registration number 1634823
    • Filing date Nov 22, 1983
    • RISI STONE LTD.
    • 19 - Building materials (non-metallic)