Piotr Leonard Kowalczyk

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 8,316,674
- Issue date Nov 27, 2012
- Piotr Leonard Kowalczyk
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20110016934
- Publication date Jan 27, 2011
- Piotr Leonard Kowalczyk
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES