Patents by Inventor Kwan S. Im

Kwan S. Im has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Locking device for an electrical plug
    Patent number: 4563048
    Abstract: A locking device for an electrical plug includes a lock having a shackle sized to fit through the prong apertures of the plug and an electrically nonconductive spacer disposed between the prongs through which the shackle passes.
    Type: Grant
    Filed: January 11, 1985
    Date of Patent: January 7, 1986
    Inventor: Kwan S. Im