Karoly Bole

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Varpalota, HU

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Patents Grantslast 30 patents

Information Patent Grant
Mining equipment, mainly for extraction of heavy beds
- Patent number 4,547,098
- Issue date Oct 15, 1985
- Kozponti Banyaszati Fejlesztesi Intezet
- Matyas Martinko
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining equipment, mainly for extraction of heavy beds
- Patent number 4,386,878
- Issue date Jun 7, 1983
- Kozponti Banyaszati Fejlesztesi Intezet
- Matvas Martinko
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining shield support apparatus
- Patent number 4,048,803
- Issue date Sep 20, 1977
- Banyaszati Kutato Intezet
- Karoly Bole
- E21 - EARTH DRILLING MINING