Patents by Inventor Robert Heritage

Robert Heritage has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Lamp holder
    Patent number: 4262980
    Abstract: A lamp holder comprising an insulated casing formed in two halves between and by which are located and clamped a mounting socket to receive the base or cap of a lamp. A pair of contacts is associated with said socket and a mounting stirrup cooperates with the casing to permit pivotal movement of the casing relative to the stirrup about an axis transverse and preferably perpendicular to the axis of the mounting socket.
    Type: Grant
    Filed: April 26, 1979
    Date of Patent: April 21, 1981
    Assignee: Rotaflex Limited
    Inventor: Robert Heritage
  • Electrical current supply installations
    Patent number: 3963294
    Abstract: A power take-off adaptor for use with a continuous outlet current supply track consists essentially of two mechanically and electrically interengageable parts, namely a contact unit and a second unit in the form of a male connector. The male connector may be permanently associated with an appliance and transferred with the appliance between one adaptor contact unit and another, or between such a unit and another receptacle such as a wall or ceiling mounted receptacle.
    Type: Grant
    Filed: February 25, 1975
    Date of Patent: June 15, 1976
    Assignee: Rotaflex (Great Britain) Limited
    Inventor: Robert Heritage
  • Electrical installation
    Patent number: 3960426
    Abstract: A power take-off adaptor for a continuous outlet electrical supply installation has separate and independently manually rotatable shafts for operating contact fingers and mechanical fixing means respectively. The shafts have interengaging radial cam formations which prevent operation of the contact fingers except when the mechanical fixing means is operative.
    Type: Grant
    Filed: September 24, 1975
    Date of Patent: June 1, 1976
    Assignee: Rotaflex (Great Britain) Limited
    Inventor: Robert Heritage
  • Electrical current supply track
    Patent number: D261134
    Type: Grant
    Filed: June 14, 1979
    Date of Patent: October 6, 1981
    Assignee: Rotaflex (Great Britain) Limited
    Inventor: Robert Heritage
  • Chair
    Patent number: D261576
    Type: Grant
    Filed: June 22, 1978
    Date of Patent: November 3, 1981
    Assignee: Steelcase Inc.
    Inventor: Robert Heritage
  • Combined chair, tablet arm and magazine rack
    Patent number: D261577
    Type: Grant
    Filed: June 22, 1978
    Date of Patent: November 3, 1981
    Assignee: Steelcase Inc.
    Inventor: Robert Heritage
  • Combined chair and tablet arm
    Patent number: D261578
    Type: Grant
    Filed: June 22, 1978
    Date of Patent: November 3, 1981
    Assignee: Steelcase Inc.
    Inventor: Robert Heritage
  • Combined chair, tablet arm, ashtray and magazine rack
    Patent number: D261579
    Type: Grant
    Filed: June 22, 1978
    Date of Patent: November 3, 1981
    Assignee: Steelcase Inc.
    Inventor: Robert Heritage
  • Spotlight fitting
    Patent number: D263000
    Type: Grant
    Filed: June 14, 1979
    Date of Patent: February 9, 1982
    Assignee: Rotaflex (Great Britain) Limited
    Inventors: Robert Heritage, Stephen Hall
  • Spotlight fitting
    Patent number: D263509
    Type: Grant
    Filed: June 14, 1979
    Date of Patent: March 23, 1982
    Inventors: Robert Heritage, Stephen Hall
  • Spotlight fitting
    Patent number: D264007
    Type: Grant
    Filed: June 14, 1979
    Date of Patent: April 20, 1982
    Assignee: Rotaflex (Great Britain) Limited
    Inventor: Robert Heritage
  • Connector for track lighting system
    Patent number: D264206
    Type: Grant
    Filed: June 14, 1979
    Date of Patent: May 4, 1982
    Assignee: Rotaflex (Great Britain) Limited
    Inventor: Robert Heritage
  • Multiple spotlight fitting
    Patent number: D264254
    Type: Grant
    Filed: June 14, 1979
    Date of Patent: May 4, 1982
    Assignee: Rotaflex (Great Britain) Limited
    Inventor: Robert Heritage
  • Spotlight fitting
    Patent number: D264386
    Type: Grant
    Filed: June 14, 1979
    Date of Patent: May 11, 1982
    Inventors: Robert Heritage, Stephen Hall