1976                                

   Formation of Company "WILAU GmbH" (WIssner LAUtern ) 

   Sales of Blackboard Drawing Instruments and school equipment

  1982                                

   Production of Templates

  1983                                

   Take over of Company „Vogt Lehrmittelverlag“, production of Teaching Aids

 1986

   Removal to new company building Zeppelinstrasse Bensheim

  1995

   Production of Blackboard Drawing Instruments

  2006

   Establish trademark „Active learning - Didactical Teaching Aids“