Winster Mining Limited

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Patents Grantslast 30 patents

Information Patent Grant
Mounting means for pick on mining drum vane
- Patent number 4,268,089
- Issue date May 19, 1981
- Winster Mining Limited
- Adam M. Spence
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining conveyor assemblies with control boxes on fence
- Patent number 4,143,918
- Issue date Mar 13, 1979
- Winster Mining Limited
- William Murday
- E21 - EARTH DRILLING MINING

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