Case Number: App_469326/2023 Patent number: EP3356707 - AN ANNULAR RING GROOVE OF A PISTONProceeding type: ApplicationAction/Application: DérogationApplicants: Torggler & Hofmann Patentanwälte GmbH & Co KG Represented by Florian RoblCourt Division: appealInstance - seat - LuxembourgDate of Formal receipt: 2023-06-02 11:18:41