Lyell J. Woolford

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Kimba 5641, South Australia, AU

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Patents Grantslast 30 patents

Information Patent Grant
Prickle chain device and method of production thereof
- Patent number 4,893,463
- Issue date Jan 16, 1990
- Lyell J. Woolford
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...