Patents by Inventor George W. Dunbar

George W. Dunbar 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: 4129899
    Abstract: A flashlight has a battery holder provided with battery leads and a lamp holder having lamp socket leads. A connection between the two holders permits the lamp holder to be burned on an axis at right angles to the axis of the lamp socket. The connection may be a shaft carrying the leads of one holder and contacts within the other holder and in engagement with the contacts of its leads or the connection may be externally of both holders with the contacts within it and holding the appropriate contacts in engagement.
    Type: Grant
    Filed: October 6, 1977
    Date of Patent: December 12, 1978
    Inventor: George W. Dunbar
  • Patent number: 4077153
    Abstract: A child's play block having a continuous periphery of material width with a central strengthening web and card retaining tangs adjacent thereto for the reception of picture card inserts which are color coded to the color of the block.
    Type: Grant
    Filed: July 19, 1973
    Date of Patent: March 7, 1978
    Assignee: Klisan, Inc.
    Inventors: George W. Dunbar, Jerrold J. Krumholz
  • Patent number: D249576
    Type: Grant
    Filed: October 18, 1976
    Date of Patent: September 19, 1978
    Assignee: Kusan, Inc.
    Inventor: George W. Dunbar