Patents by Inventor Tsun-Chi Lao

Tsun-Chi Lao 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).

  • Adjustable two layer cymbal structure
    Patent number: 6417434
    Abstract: An adjustable two layer cymbal structure is disclosed. An adjustable spring is added at a lower side of the rotary seat of the adjustable seat for resisting against the adjustable seat. The rotary seat is adjusted upwards conveniently, rapidly and easily, and thus a preferred sound effect is achieved. Therefore, the prior art copper cymbal frame can be installed with a two layer copper cymbal or a two layer copper cymbal and a single one copper cymbal.
    Type: Grant
    Filed: February 9, 2001
    Date of Patent: July 9, 2002
    Inventor: Tsun-Chi Lao