Patents by Inventor Chao C. Lin

Chao C. 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).

  • Patent number: 5044998
    Abstract: A socket has two slots formed in an upper side of a casing and communicated with two chambers formed in the casing. A conductor is located in each of the chambers and includes a vertical member, a bent member parallel to the vertical member, and a resilient member disposed below the bent member. The middle portions of the prongs of a plug can be stably held between the vertical member and the bent member, and the lower portions of the prongs can be pressed by the resilient member and can be stably held in place by the resilient member.
    Type: Grant
    Filed: October 19, 1990
    Date of Patent: September 3, 1991
    Inventor: Chao C. Lin