Patents Represented by Attorney Deborah S. Ruff

Find this attorney in the Justia Lawyer Directory

  • Aluminous press plate and process for producing same
    Patent number: 5723221
    Abstract: A press plate for decorative laminate production has an aluminum alloy core plate exhibiting a 0.2% compressive yield stress of not less than about 180 MPa at 140.degree. C., an aluminum cladding layer integrally bonded to opposing surfaces of the core plate, and a layer of aluminum oxide formed on the aluminous cladding which is substantially free of grain line effects.
    Type: Grant
    Filed: April 26, 1996
    Date of Patent: March 3, 1998
    Assignee: Formica Corporation
    Inventors: Alan Thomas Brooker, Pascale Marie Elisabeth Cordiez
  • Building block having opposing male and female hinge elements for connection to like elements on another like block
    Patent number: 5458495
    Abstract: This invention relates to a building block in the shape of a right-angles isosceles triangular prism. the block has male hinge elements on one edge and female hinge elements on another edge such that two blocks can not only be hingedly attached but also joined at both respective hinge; element carrying edges to form a cube. Male and female face connection elements are provided to allow face to face connection.
    Type: Grant
    Filed: November 22, 1994
    Date of Patent: October 17, 1995
    Assignee: Nottingham Group Ltd.
    Inventor: Robert J. Stone
  • Method of producing damage resistant decorative laminate
    Patent number: 5456949
    Abstract: Damage resistant high pressure decorative laminate having excellent scratch, mar, scrape and abrasion resistance, as well as excellent appearance and cleanability and methods of producing same.The method of producing the decorative laminate includes applying a mixture of a liquid thermosetting resin and an abrasion resistant composition, followed by a second coat of the resin without the abrasion resistant composition, or with one having smaller abrasion resistant particles than in the first coat.
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: October 10, 1995
    Assignee: Formica Technology Inc.
    Inventors: Donald J. Albrinck, Ronald J. Keeling
  • Damage resistant decorative laminate having excellent appearance and cleanability and methods of producing same
    Patent number: 5288540
    Abstract: Damage resistant high pressure decorative laminate having excellent scratch, mar, scrape and abrasion resistance, as well as excellent appearance and cleanability and methods of producing same.
    Type: Grant
    Filed: June 21, 1991
    Date of Patent: February 22, 1994
    Assignee: Formica Technology Delaware
    Inventors: Donald J. Albrinck, Ronald J. Keeling
  • Mathematical teaching block
    Patent number: D338929
    Type: Grant
    Filed: June 15, 1990
    Date of Patent: August 31, 1993
    Assignee: E J Arnold & Son Limited
    Inventor: Robert J. Stone