Sitkei; Ferenc
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sitkei; Ferenc.The latest application filed is for "apparatus for the classification or separation of solid materials".
- Sitkei; Ferenc - Ajka HU
| Patent | Date |
|---|---|
| Apparatus for the classification or separation of solid materials Grant 4,935,123 - Csillag , et al. June 19, 1 | 1990-06-19 |
| Process for the reduction of the sodium hydroxide losses of the Bayer-type alumina production Grant 4,486,393 - Baksa , et al. December 4, 1 | 1984-12-04 |
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