Patents Assigned to Walter Leuca
  • Patent number: 4250396
    Abstract: An electrically heated drafting board having a drawing surface temperature ranging between 80.degree. and 90.degree. F. The drafting board having a plurality of interconnected parallel grooves spaced apart the length thereof. The grooves are provided in the underside of the drafting board and serve to receive an electric heating wire. A panel member is connected to the underside of the board overlapping the grooves and wire therein. The electric heating wire forming the heating circuit terminates with a cord exterior of the board having a plug for inserting in an electric receptacle for the power source. A control is provided in the circuit to regulate the voltage. The electric heating circuit provides sufficient heat to the drafting board so that the drawing surface is heated to a temperature ranging between 80.degree. and 90.degree. F.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: February 10, 1981
    Assignee: Walter Leuca
    Inventor: Arnold T. Moeller