Joseph Delin had established the bicycle firm Usines Delin some time before producing his first motorcycles in 1901. These had cardan drive from a longitudinal engine, and were designed by Eugène Matthieu, who took over the firm when Joseph died that same year. The motorcycles were also marketed in Belgium under the name Derby, and were sold in the Netherlands, the UK, and the Belgian colonies as Derby.
An 1898 poster advertises cycles, automobiles and moteurs, giving their location as LouVain Belgique, a Flemish region also known as Leuven.
The firm closed in 1902 and was purchased by Automoteurs.
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