Jack Geelhoed

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Boston, GB

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Patents Grantslast 30 patents

Information Patent Grant
Sensor positioning apparatus for trench excavator
- Patent number 6,016,616
- Issue date Jan 25, 2000
- J. Mastenbroek & Company Limited
- Jack Geelhoed
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Excavating and pipe laying machines
- Patent number 5,707,175
- Issue date Jan 13, 1998
- J. Mastenbroek & Company Limited
- Jack Geelhoed
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Sensor positioning apparatus for trench excavator
- Patent number 5,671,554
- Issue date Sep 30, 1997
- J. Mastenbroek & Company Limited
- Jack Geelhoed
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING