Martin PETRANEK

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Praha 3-Zizkov, CZ

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Patents Grantslast 30 patents

Information Patent Grant
Yieldable rock anchor
- Patent number 9,677,399
- Issue date Jun 13, 2017
- Minova International Limited
- Dariusz Modlinski
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
YIELDABLE ROCK ANCHOR
- Publication number 20160168993
- Publication date Jun 16, 2016
- MINOVA INTERNATIONAL LIMITED
- Dariusz MODLINSKI
- E21 - EARTH DRILLING MINING