Patents Assigned to Becky J. Schroeder
  • Electroluminescent backing sheet for reading and writing in the dark
    Patent number: 4024404
    Abstract: An energy saving electroluminescent backing sheet or panel for back lighting of writing sheets, drawing sheets or sheets having reading or other intelligible matter thereon the backing sheet having a unitarily associated light-weight light activating source capable of providing a low level nondistracting light output which permits its portable use for reading and writing in the dark without need for external light.
    Type: Grant
    Filed: December 9, 1975
    Date of Patent: May 17, 1977
    Assignee: Becky J. Schroeder
    Inventor: Becky J. Schroeder