Dietger Frick

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Velbert, DE

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Patents Grantslast 30 patents

Information Patent Grant
Locking arrangement for windows, doors or the like
- Patent number 5,725,260
- Issue date Mar 10, 1998
- Wilhelm Weidtmann GmbH & Co. KG
- Werner Eikmeier
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Device for opening and closing a window, a door, or the like
- Patent number 5,636,476
- Issue date Jun 10, 1997
- Wilhelm Weidtmann GmbH & Co. KG
- Werner Eikmeier
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Device for opening and closing a window, a door, or the like
- Patent number 5,487,238
- Issue date Jan 30, 1996
- Wilhelm Weidtmann GmbH & Co. KG
- Werner Eikmeier
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES