Patents by Inventor Drusilla L. Underwood

Drusilla L. Underwood 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).

  • Self-aligning canopy structure for connection to a mounting plate adapter utilized for attaching an exit sign to a junction box
    Patent number: 6132070
    Abstract: A structure for aligning a canopy for an exit sign with a standard wall-mounted electrical junction box. The structure is constituted of a separate plate which is adapted to be fastened to the back cover of an exit sign so as to form a mounting structure adapted for facilitating the attachment of the exit sign to a wall-mounted electrical junction box, and which incorporates slots adapted to be engaged by protuberances on the canopy for aligning the latter with the junction box in predetermined selective orientations.
    Type: Grant
    Filed: July 30, 1998
    Date of Patent: October 17, 2000
    Assignee: Hubbell Incorporated
    Inventors: David A. Vosika, Drusilla L. Underwood
  • Circular mounting plate adapter for attaching an exit sign to a junction box
    Patent number: 6095670
    Abstract: A structure for mounting an exit sign to a standard wall-mounted electrical junction box. The structure is constituted of a separate plate which is adapted to be fastened to the back cover of an exit sign so as to form a mounting structure adapted for facilitating the attachment of the exit sign to a wall-mounted electrical junction box.
    Type: Grant
    Filed: July 30, 1998
    Date of Patent: August 1, 2000
    Assignee: Hubbell Incorporated
    Inventors: David A. Vosika, Drusilla L. Underwood