Bruce N. Roth

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Burton-on-Trent, GB

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Patents Grantslast 30 patents

Information Patent Grant
Method of steering a mining machine
- Patent number 5,158,341
- Issue date Oct 27, 1992
- Coal Industry (Patents) Limited
- Foster Lewins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of steering a mining machine
- Patent number 5,116,103
- Issue date May 26, 1992
- Coal Industry (Patents) Limited
- Foster Lewins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of steering a mining machine
- Patent number 5,106,162
- Issue date Apr 21, 1992
- Coal Industry (Patents) Limited
- Foster Lewins
- E21 - EARTH DRILLING MINING