Patents by Inventor Dennis E. McKay

Dennis E. McKay 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).

  • Patent number: 5384964
    Abstract: A rotative drawing template, used to draw various sizes of circles. The template is circular in configuration and is held at its periphery by equally spaced balls running in between two bearing races; one located in the periphery of the template and the other race, located in the surrounding template support. This enables the template to freely rotate without lateral movements.
    Type: Grant
    Filed: October 5, 1992
    Date of Patent: January 31, 1995
    Inventor: Dennis E. McKay
  • Patent number: 4183436
    Abstract: A box-type rectangular container of sheet material having nesting tray and cover parts having a floor and roof respectively and overlapping sidewalls. A pair of the overlapping walls is cut and creased to provide inside and outside access panels for swinging outwards to reach the contents without opening the container. Optionally, catch means may be provided for retaining the access panels reclosed after they have been opened.
    Type: Grant
    Filed: March 17, 1978
    Date of Patent: January 15, 1980
    Assignee: Bernard Engelhardt
    Inventors: Bernard Engelhardt, Dennis E. McKay