In 1967, the first injection molding machine of type A4-10 is completed. It is developed by NOVAPAX Berlin and constructed by NOVAPAX in Leer. First demonstrations took place in the booth of Ankerwerk Nürnberg at the plastic fair in Düsseldorf. Several patents of surface technology were registered over a longer time period. The heavy black telephone receiver that could be found in public telephone booths was produced for the German Postal Service.