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Theo Piotrowski
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Kerpen, DE
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Patents Grants
last 30 patents
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Patent Grant
Method for profiling a flat reversible key, and flat reversible key...
Patent number
8,919,160
Issue date
Dec 30, 2014
C. Ed. Schulte Gesellschaft MIT Beschränkter Haftung Zylinderschlossfabrik
Theo Piotrowski
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Locking arrangement comprising a lock cylinder and a matching key
Patent number
8,677,791
Issue date
Mar 25, 2014
C. Ed. Schulte Gesellschaft mit beschraenkter Haftung Zylinderschlossfabrik
Theo Piotrowski
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Locking device with associated key and blocking rib sensing
Patent number
8,505,347
Issue date
Aug 13, 2013
C. Ed. Schulte Gesellschaft mit beschraenkter Haftung Zylinderschlossfabrik
Theo Piotrowski
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
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Patent Application
METHOD FOR PROFILING A FLAT REVERSIBLE KEY, AND FLAT REVERSIBLE KEY...
Publication number
20110289990
Publication date
Dec 1, 2011
C. Ed. Schulte Gesellschaft mit beschrankter Haftung Zylinderschlossfabrik
Theo PIOTROWSKI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LOCKING DEVICE WITH ASSOCIATED KEY AND BLOCKING RIB SENSING
Publication number
20110083484
Publication date
Apr 14, 2011
C. Ed. Schulte Gesellschaft mit beschraenkter Haftung Zylinderschlossfabrik
Theo Piotrowski
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
LOCKING ARRANGEMENT COMPRISING A LOCK CYLINDER AND A MATCHING KEY
Publication number
20110079059
Publication date
Apr 7, 2011
C. Ed. Schulte Gesellschaft mit beschraenkter Haftung Zylinderschlossfabrik
Theo Piotrowski
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES