TREA

Ivor Barens

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  • Toronto, Ontario M6G 2L1, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable-speed gear mechanism
    • Patent number 5,467,660
    • Issue date Nov 21, 1995
    • Ivor Barens
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Variable ratio transmission
    • Patent number 5,065,638
    • Issue date Nov 19, 1991
    • Ivor Barens
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...