Luigi Ingraldi

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Woodbridge, Ontario, CA

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Patents Grantslast 30 patents

Information Patent Grant
Extrusion die for semi-hollow and hollow extruded shapes and tube
- Patent number 5,870,921
- Issue date Feb 16, 1999
- Gabriel Piccinin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...