Hakon E. Bjor

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Hvalstad, NO

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Patents Grantslast 30 patents

Information Patent Grant
Method and a means for aligning a rock drill
- Patent number 4,542,794
- Issue date Sep 24, 1985
- Ingenior Thor Furuholmen A/S
- Hakon E. Bjor
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and means for adjusting the feed support of a rock drilling...
- Patent number 4,537,263
- Issue date Aug 27, 1985
- Ingenior Thor Furuholmen A/S
- Hakon E. Bjor
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and means for drilling in rocks
- Patent number 4,506,745
- Issue date Mar 26, 1985
- Bever Control A/S
- Hakon E. Bjor
- E21 - EARTH DRILLING MINING