Patents Assigned to Invicta Plastics Ltd.
  • Teaching clock having indicia carrier allowing curvilinear translation of indicia
    Patent number: 5167507
    Abstract: The invention relates to an eductional aid for teaching children to tell the time. The aid includes a face and at least one pointer rotatable about a centrally disposed axis relative to the face. A carrier is provided which carries indicia which are position behind the face. The face includes apertures through which at least some of the indicia can be seen. A knob for moving said carrier is also provided so that the indicia may be selectively displayed through the apertures.
    Type: Grant
    Filed: May 10, 1991
    Date of Patent: December 1, 1992
    Assignee: Invicta Plastics Ltd.
    Inventors: Nicola J. Cobb, David J. Cragie
  • Weather vane
    Patent number: D344463
    Type: Grant
    Filed: April 9, 1992
    Date of Patent: February 22, 1994
    Assignee: Invicta Plastics Ltd.
    Inventor: Michael Gerrard Lannie
  • Anemometer
    Patent number: D345110
    Type: Grant
    Filed: April 9, 1992
    Date of Patent: March 15, 1994
    Assignee: Invicta Plastics Ltd.
    Inventor: Michael G. Lannie