Piotr Leonard Kowalczyk

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Patents Grantslast 30 patents

Information Patent Grant
Locking arrangement
- Patent number 9,890,562
- Issue date Feb 13, 2018
- Piotr Leonard Kowalczyk
- Piotr Leonard Kowalczyk
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
LOCKING ARRANGEMENT
- Publication number 20130269403
- Publication date Oct 17, 2013
- Piotr Leonard Kowalczyk
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES