DRAWING BOARD COVER

Brand Owner Address Description
PARAMOUNT KEUFFEL & ESSER COMPANY HOBOKEN, NEW JERSEY, AND NEW YORK, N.Y. Drawing Board Cover;
 

Where the owner name is not linked, that owner no longer owns the brand

   
Technical Examples
  1. An illuminated keyboard with illuminated figures being formed on the top surface of the keyboard including: a top cover, a bottom cover, a plurality of keys and an electroluminescent board. The top cover accommodates the keys and is combined with the bottom cover. The electroluminescent board is installed between the top cover and the bottom cover. The electroluminescent board includes at least one figured pattern to be displayed on a top surface of the keyboard on the top cover when the electroluminescent board is electrified to give light.