Edward Janik

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Bytom, PL

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Patents Grantslast 30 patents

Information Patent Grant
Slidable filling dam
- Patent number 4,406,565
- Issue date Sep 27, 1983
- Centrum Konstrukcyjnotechnologiczne Maszyn Gorniczych
- Wincenty Pretor
- E21 - EARTH DRILLING MINING
Information Patent Grant
Nine lining structure
- Patent number 4,382,722
- Issue date May 10, 1983
- Centrum Konstrukcyino-Technologiczne Maszyn Gorniczych "KOMAG"
- Stanislaw Romanowicz
- E21 - EARTH DRILLING MINING