Patents by Inventor John H. Chiang

John H. Chiang 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).

  • Multi-axis sound toys
    Patent number: 6123599
    Abstract: Toys including a body section and at least three sound tubes retained in the body section. Most preferably the sound tubes each have a longitudinal axis extending in a different direction from at least two other sound tubes. The toys can be hard or soft and can include body sections having a variety of different geometric shapes. The toys make a fun sound when moved in a number of different directions.
    Type: Grant
    Filed: July 8, 1998
    Date of Patent: September 26, 2000
    Inventor: John H. Chiang
  • Modular mat
    Patent number: 5970541
    Abstract: A modular play mat includes a plurality of modules that have cooperating fastening means to permit the modules to be removably connected together in different configurations. The cooperating fastening means preferably are hook and loop type fasteners located on the edges of the various modules.
    Type: Grant
    Filed: July 8, 1998
    Date of Patent: October 26, 1999
    Inventor: John H. Chiang
  • Baby play mattress
    Patent number: D408192
    Type: Grant
    Filed: July 13, 1998
    Date of Patent: April 20, 1999
    Inventor: John H. Chiang