Robert Kling GmbH was a German office equipment manufacturer.
The company based in Wetzlar, existed from 1918 to 1975. The company was founded in 1918 in Wetzlar by Mr. Robert Kling, and was changed in a GmbH in 1940. the production of mechanical calculators started in 1949 , first hand operated, later also electrically operated types. The products were sold under the brand name "Rokli". In addition, other manufacturer adding were produced from 1953. Producing your own calculators was discontinued in 1958, instead, Schubert Rastatt was marketed the company's products. The company was acquired in 1974 by FAG Kugelfischer, 1975 but ceased all activities

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