Derek William Russell

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Aspa Bruk, SE

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Patents Grantslast 30 patents

Information Patent Grant
Continuous metal extruder
- Patent number 8,166,790
- Issue date May 1, 2012
- H. Folke Sandelin AB
- Derek William Russell
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Continuous metal extruder
- Publication number 20090196947
- Publication date Aug 6, 2009
- Derek William Russell
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...