Roman Michalczak

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Poznan, PL

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Patents Grantslast 30 patents

Information Patent Grant
Road sign and the method for production of the same
- Patent number 8,572,872
- Issue date Nov 5, 2013
- Roman Michalczak
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
ROAD SIGN AND THE METHOD FOR PRODUCTION OF THE SAME
- Publication number 20130283657
- Publication date Oct 31, 2013
- Roman Michalczak
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES