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Thomas Warschewitz
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Ennepetal, DE
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last 30 patents
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Patent Grant
Door closer with a detent for holding a door open and the detent th...
Patent number
5,461,754
Issue date
Oct 31, 1995
Dorma GmbH + Co. KG
Horst Tillmann
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Patent Grant
Door closer with a detent for holding a door open and the detent th...
Patent number
5,311,642
Issue date
May 17, 1994
Dorma GmbH + Co. KG
Horst Tillmann
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES