TREA

Cyril J. Astill

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  • Deep River, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of producing a corrugated, multi-ply metal bellows
    • Patent number 4,453,304
    • Issue date Jun 12, 1984
    • Atomic Energy of Canada Limited
    • Cyril J. Astill
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of producing seam welded tube
    • Patent number 4,207,453
    • Issue date Jun 10, 1980
    • Canadian Patents & Development Ltd.
    • Cyril J. Astill
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Sealed torque transmission assembly
    • Patent number 4,178,815
    • Issue date Dec 18, 1979
    • Atomic Energy of Canada Limited
    • Cyril J. Astill
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...