Zoltan Vida

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Komlo, HU

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Patents Grantslast 30 patents

Information Patent Grant
Method and equipment for loosening and/or winning minerals especial...
- Patent number 5,116,104
- Issue date May 26, 1992
- Mecseki Szenbanyak
- Gyorgy Gergo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for loosening and/or breaking coal deposits, rocks, granu...
- Patent number 4,626,031
- Issue date Dec 2, 1986
- Gepipari Technologiai Intezet
- Jozsef Nemeth
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and equipment for boring and casing air vent holes and/or de...
- Patent number 4,558,748
- Issue date Dec 17, 1985
- Gepipari Technologiai Intezet
- Gyorgy Gergo
- E21 - EARTH DRILLING MINING