TREA

Derek Crutchley

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  • Warrington, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of fastening
    • Patent number 7,503,106
    • Issue date Mar 17, 2009
    • Textron Fastening Systems Limited
    • Derek Crutchley
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Split die for forming grooved workpiece
    • Patent number 7,237,424
    • Issue date Jul 3, 2007
    • Avdel Uk Limited
    • Derek Crutchley
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    Split die for forming grooved workpiece
    • Publication number 20050233813
    • Publication date Oct 20, 2005
    • Derek Crutchley
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...