Craig Lawrence Koehrsen

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Christ Church, NZ

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Patents Grantslast 30 patents

Information Patent Grant
Positioning system for an excavating work machine
- Patent number 7,079,931
- Issue date Jul 18, 2006
- Caterpillar Inc.
- William Charles Sahm
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Positioning system for an excavating work machine
- Publication number 20050131610
- Publication date Jun 16, 2005
- Caterpillar Inc.
- William Charles Sahm
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING