Magyar Szenbanyaszati Troszt
Patent Applications and Registrations
Patent applications and USPTO patent grants for Magyar Szenbanyaszati Troszt.The latest application filed is for "process and arrangement for the support of underground cavity systems by an efficient safety casing wall".
- Magyar Szenbanyaszati Troszt - Tatabanya HU
| Patent | Date |
|---|---|
| Process and arrangement for the support of underground cavity systems by an efficient safety casing wall Grant 4,505,622 - Asszonyi , et al. March 19, 1 | 1985-03-19 |
| Welded grid, primarily for securing underground cavities, cavity systems, as well as process for making the grid Grant 4,245,926 - Asszonyi , et al. January 20, 1 | 1981-01-20 |
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