TREA

Chang June Song

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  • Richmond, British Columbia, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Key clip
    • Patent number 5,768,924
    • Issue date Jun 23, 1998
    • Chang June Song
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Key fob and attachment
    • Patent number 5,617,751
    • Issue date Apr 8, 1997
    • Chang J. Song
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Key ring
    • Patent number D371903
    • Issue date Jul 23, 1996
    • Chang J. Song
    • D03 - Travel goods and personal belongings
  • Information Patent Grant

    Key ring
    • Patent number D371999
    • Issue date Jul 23, 1996
    • Chang J. Song
    • D03 - Travel goods and personal belongings
  • Information Patent Grant

    Device for securing objects on a ring
    • Patent number 5,528,916
    • Issue date Jun 25, 1996
    • Chang J. Song
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Key fob and attachment
    • Patent number 5,501,089
    • Issue date Mar 26, 1996
    • Chang J. Song
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Key security device
    • Patent number 5,365,760
    • Issue date Nov 22, 1994
    • Chang J. Song
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Frame lock mechanism for a key light
    • Patent number 5,181,927
    • Issue date Jan 26, 1993
    • Chang J. Song
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Pendant connector
    • Patent number 5,031,420
    • Issue date Jul 16, 1991
    • Chang J. Song
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Attachable key light
    • Patent number D304130
    • Issue date Oct 24, 1989
    • Chang J. Song
    • D03 - Travel goods and personal belongings