Patents by Inventor Chen H. Lin

Chen H. Lin 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).

  • Electrical plug
    Patent number: 5219304
    Abstract: This invention relates to an electrical plug and in particular to one including a body portion, a plurality of blades extending through the body portion into an inner edge of a recess portion of the body so that their connecting ends are disposed in separated spaces, a cover having a shape adapted to engage with the recess portion of the body, and a threaded nut engaged with a threaded collet of the body portion for firmly keeping an electrical cord in a fixed position.
    Type: Grant
    Filed: November 23, 1992
    Date of Patent: June 15, 1993
    Inventor: Chen H. Lin