The Fourth Generation
Thomas Stumpe's son Lucas joins the company. Enhancing the fourth generation of the family business.
IN-HOUSE DEVELOPED TEMPERING OVEN STARTS OPERATION
The self-developed machine allows the thermal hardening of complicated glass molds.
A NEW ERA – TECHNICAL GLASS
Gustav's son Klaus leads the company into a new era. Now the main focus of the company is glass used as a technical component in many industries, e.g. gauge glass.
FOUNDATION OF THE COMPANY
Founded in Grenzendorf, in present day Czech Republic, the company produces, designs glass buttons, elements for custom jewelry and decorative articles.