Angela R. Halwas

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Victoria, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for controlling a work implement
- Patent number 6,140,787
- Issue date Oct 31, 2000
- RSI Technologies Ltd.
- David M. Lokhorst
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method and system for controlling movement of a digging dipper
- Patent number 6,025,686
- Issue date Feb 15, 2000
- Harnischfeger Corporation
- Francis G. Wickert
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING