Veijo Nurmi

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Ylojarvi, FI

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Patents Grantslast 30 patents

Information Patent Grant
Feeding device for a rock drilling machine
- Patent number 5,000,271
- Issue date Mar 19, 1991
- Oy Tampella AB
- Vesa Uitto
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of drilling a hole-in a rock
- Patent number 4,979,575
- Issue date Dec 25, 1990
- Oy Tampella AB
- Rolf Strom
- E21 - EARTH DRILLING MINING