The patronym of "JANSSEN" is rather widespread in arms manufacture inhabitant of Liège of 19th and 20th centuries without for that which it acts either of the same family or of the same company. Thus we count the following arms manufacturers:
JANSSEN Fils & Cie
Individually we notice JANSSEN, Albert, manufacturer of weapons (1888/1896) who was the manager of company JANSSEN Fils & Co. This last deposited two patents in 1888 and 1896 for an apparatus of closing for barrels taking care by the cylinder head and the other for improvements with tilting gun rifles.
We also meet JANSSEN, Joseph, manufacturer of weapons, street Lambert Le bègue, 4. The founder, who deposited two patents in Belgium in 1871 for a system of rocker of shotgun undertaking by the cylinder head and in 1889 for a system shotgun Hammerless.
JANSSEN, Maurice, arms manufacturer less known, domiciled street Lambert Le bègue, 4 was to also form part of the company but we do not have other information about it.
We also meet JANSSEN, Hubert, controller of weapons, LIEGE 1864 - 1865 whose possible family tie with the other JANSSEN is unknown for us.
It was announced by the deposit of four patents of 1864 to 1868 concerning applications to the systems of closing of the weapons taking care by the cylinder head.
G.G & M.D.
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