Theunis F. Skea

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Patents Grantslast 30 patents

Information Patent Grant
Mining machine with driven disc cutters
- Patent number 8,636,324
- Issue date Jan 28, 2014
- Joy MM Delaware, Inc.
- Theunis F. Skea
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
MINING MACHINE WITH DRIVEN DISC CUTTERS
- Publication number 20110181097
- Publication date Jul 28, 2011
- Joy MM Delaware, Inc.
- Theunis F. Skea
- E21 - EARTH DRILLING MINING