Patents by Inventor Donald J. Berman

Donald J. Berman 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: 3983447
    Abstract: A switch, and a dual lamp and switch combination comprising two conductive strips spaced from each other and each having a contact point adjacent an upper end. The conductive strips contacting filament wires of the lamp or electrical conductors of a power line. A handle including a base is pivotably mounted relative to the contact points, and a conductive member operated by the handle, selectively contacts at least one of the contact points. The conductive member is integral with at least a portion of the conductive member and engages a metallic screw-on section of the lamp or electrical conductors of the power line.
    Type: Grant
    Filed: May 23, 1975
    Date of Patent: September 28, 1976
    Inventors: Arnold Mark, Donald J. Berman, Sam Cohen