TREA

Mighel Doroftei

Follow

Person

  • Calgary, CA
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Helical drive wheelchair
    • Patent number 6,213,487
    • Issue date Apr 10, 2001
    • 744353 Alberta Ltd.
    • Mighel Doroftei
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Helical drive bicycle
    • Patent number 6,199,884
    • Issue date Mar 13, 2001
    • 7444353 Alberta Ltd.
    • Mighel Doroftei
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE