TREA

Antonio Risi

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  • Richmond Hill, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Retaining wall block
    • Patent number D466229
    • Issue date Nov 26, 2002
    • Rothbury International Inc.
    • Angelo Risi
    • D25 - Building units and construction elements
  • Information Patent Grant

    Retaining wall block
    • Patent number D465855
    • Issue date Nov 19, 2002
    • Rothbury International Inc.
    • Angelo Risi
    • D25 - Building units and construction elements
  • Information Patent Grant

    Retaining wall block
    • Patent number D464440
    • Issue date Oct 15, 2002
    • Rothbury International Inc.
    • Angelo Risi
    • D25 - Building units and construction elements
  • Information Patent Grant

    Retaining wall block
    • Patent number D464149
    • Issue date Oct 8, 2002
    • Rothbury International Inc.
    • Angelo Risi
    • D25 - Building units and construction elements
  • Information Patent Grant

    Modular block
    • Patent number D403785
    • Issue date Jan 5, 1999
    • Rothbury International Inc.
    • Angelo Risi
    • D25 - Building units and construction elements
  • Information Patent Grant

    Modular block
    • Patent number D403438
    • Issue date Dec 29, 1998
    • Rothbury International Inc.
    • Angelo Risi
    • D25 - Building units and construction elements
  • Information Patent Grant

    Modular block
    • Patent number D403437
    • Issue date Dec 29, 1998
    • Rothbury International Inc.
    • Angelo Risi
    • D25 - Building units and construction elements
  • 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
  • Information Patent Grant

    Module for walls and free standing structure
    • Patent number 4,601,148
    • Issue date Jul 22, 1986
    • Angelo Risi
    • E04 - BUILDING
  • Information Patent Grant

    Module for walls and free standing structures
    • Patent number D284308
    • Issue date Jun 17, 1986
    • Angelo Risi
    • D25 - Building units and construction elements
  • Information Patent Grant

    Stretcher for cribbing
    • Patent number D280024
    • Issue date Aug 6, 1985
    • Angelo Risi
    • D25 - Building units and construction elements
  • Information Patent Grant

    Header for cribbing
    • Patent number D279030
    • Issue date May 28, 1985
    • Angelo Risi
    • D25 - Building units and construction elements
  • Information Patent Grant

    Retaining wall system
    • Patent number 4,490,075
    • Issue date Dec 25, 1984
    • Angelo Risi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING