Patents by Inventor Pok Y. J. Chow

Pok Y. J. Chow 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).

  • Inflatable pillow
    Patent number: 5544378
    Abstract: An inflatable pillow comprising end sections and an intermediate portion. Valve means for inflating the pillow is connected to one of said end sections and passages are provided interconnecting said end sections to simultaneously inflate the pillow. The pillow further includes an intermediate trapezoidal section containing a relatively flat portion at its upper end and an inflatable portion at its lower end that is a fraction of the height of the inflatable end sections. A strap means is provided to secure the pillow to a back rest to provide stability of the pillow when in use.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 13, 1996
    Inventor: Pok Y. J. Chow
  • Inflatable pillow
    Patent number: D373278
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: September 3, 1996
    Inventor: Pok Y. J. Chow