Richard Godefroid SIRTAINE was an industriel residing in Verviers.
On 24 June 1875, Mathieu MULLENDORFF [2], conseiller de Gouvernement, as representative of SIRTAINE, applied for a brevet d'importation for an invention entitled:
Mode d’application des gaz à l’échardonnage des laines et à toutes opérations de désagrégation des matières végétales
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[2] Mathieu MULLENDORF (Familysearch database), who became in 1880 the head of the Luxembourg Patent Office, was related to SIRTAINE’s business partners in Verviers, Charles-Désiré MULLENDORFF (Familysearch database) and Jean Eugène MULLENDORFF (FamilySearch database). The 3 MULLENDORFFs were 3rd generation descendants of Théodore MULLENDORF, born in Luxembourg in 1716 (Familysearch database).