Frederick Williams

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Warrington, GB

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Patents Grantslast 30 patents

Information Patent Grant
Tractor front loader
- Patent number 4,522,554
- Issue date Jun 11, 1985
- David Brown Tractors Ltd.
- Frederick Williams
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Tractor front loaders
- Patent number 4,498,839
- Issue date Feb 12, 1985
- David Brown Tractors Ltd.
- Frederick Williams
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING