Horst Kolleth

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Patents Grantslast 30 patents

Information Patent Grant
Movable device for openpit mining
- Patent number 4,778,221
- Issue date Oct 18, 1988
- Voest-Alpine Aktiengesellschaft
- Horst Kolleth
- E21 - EARTH DRILLING MINING
Information Patent Grant
Caterpillar chassis for heavy vehicles
- Patent number 4,729,445
- Issue date Mar 8, 1988
- Voest-Alpine Aktiengesellschaft
- Horst Kolleth
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING