Patents by Inventor Ho Y. Lin

Ho Y. 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).

  • Echo-type toy megaphone
    Patent number: 5127870
    Abstract: A toy megaphone including a housing having a number of openings formed in the upper end, a member fixed in an upper portion of the housing, and a spring biased between the member and a lower end of the housing, and the member and the spring being caused to vibrate when a sound wave is propagated into the housing via the openings.
    Type: Grant
    Filed: July 16, 1991
    Date of Patent: July 7, 1992
    Assignee: You Hsing Plastics Co, Ltd.
    Inventor: Ho Y. Lin