Patents by Inventor Demetrios Karambelas

Demetrios Karambelas 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).

  • Retainer for a light fixture
    Patent number: 6511211
    Abstract: The present invention is an apparatus for maintaining a light fixture diffuser in contact with a light fixture base by means of a retainer. In a light fixture, a threaded rod is used to connect the diffuser to the base. A simple retainer is used to maintain the threaded rod to the base of the light fixture or to retain releasable connectors on the rod, where the releasable connectors are used to attach the rod to the base of the light fixture.
    Type: Grant
    Filed: September 8, 2000
    Date of Patent: January 28, 2003
    Assignee: Angelo Brother's Company
    Inventor: Demetrios Karambelas