Fritz Koller began in Solingen, Germany and called his firm Koller & Company. About 1905, they became F. Koller & Company. “Magna” was the original trademark.
The spelling of the name was changed sometime between 1905 and 1927. In 1927, members of F. Koeller & Company were Felix and Fritz Koeller, in Ohligs, Solingen, Germany.
c 1855-present