Nandor Meitzen

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Budapest, HU

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Patents Grantslast 30 patents

Information Patent Grant
Process and arrangement for the support of underground cavity syste...
- Patent number 4,505,622
- Issue date Mar 19, 1985
- Magyar Szenbanyaszati Troszt
- Csaba Asszonyi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Welded grid, primarily for securing underground cavities, cavity sy...
- Patent number 4,245,926
- Issue date Jan 20, 1981
- Magyar Szenbanyaszati Troszt
- Csaba Asszonyi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...