KELLENBERGER was established in 1917 and is specializing in the development and production of hydraulically and numerically controlled precision grinding machines and systems for the application in the field of medium and high technology. 29th November 1995 "Closing Date". As from this date KELLENBERGER makes part of HARDINGE INC., Elmira, USA. The Hardinge Group, based in Elmira/USA, is a leading international machine tool manufacturer with locations in North America, Europe and Asia. Reflecting our policy of constant information of our customers and market requirements, the two Swiss subsidiaries in the grinding machine sector – L. Kellenberger & Co. AG and HTT Hauser tript Tschudin AG – have now merged. The new merged Company, under the name of L. Kellenberger & Co. AG and with permanent quarters in St.Gallen and Bienne, is offering to the customers a unique palette of grinding machines and grinding systems with the product lines Hauser, Kellenberger, Tripet and Tschudin, as well as a well-defined and complete programme of supporting services.