Patents Assigned to The Douglas Leigh Organization
  • Means for adding colors to electric lights
    Patent number: 4823245
    Abstract: Apparatus for adding color to electric lights of the type having a bulb mounted in a hollow member, the hollow member having an open end. A frame is mounted over the open end. A translucent color sheet is removably mounted in the frame. A first clear sheet is mounted on one side of the color sheet, whereby the color may be changed by changing the color sheet.
    Type: Grant
    Filed: April 14, 1988
    Date of Patent: April 18, 1989
    Assignee: The Douglas Leigh Organization
    Inventor: Robert Leverte