Patents by Inventor Wang-Tao Liang

Wang-Tao Liang 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: 5762238
    Abstract: A spray bottle which comprises a bottle body having a mouth around which an annular groove is formed and a spraying pump having a stem located through the mouth of the bottle body for pumping up and spraying out liquid contained in the bottle body. The spraying pump includes a press-knob incorporating a spraying nozzle provided at an upper end of the stem and a cap provided co-axially around the stem for locating the overall spraying pump in position upon fitting over the mouth. An O-ring is located in the annular groove for engagement with an inner side of the cap for sealing.
    Type: Grant
    Filed: May 2, 1996
    Date of Patent: June 9, 1998
    Assignee: Hay Nien Company, Ltd.
    Inventor: Wang Tao Liang
  • Patent number: 4353461
    Abstract: A card carries a transparent blister for holding and displaying an article of merchandise, and the card may be reverse folded after purchase into a box which encloses the blister and the article and has an attractive outer surface printed with a gift wrap so as to eliminate the need for additional gift wrapping paper.
    Type: Grant
    Filed: October 7, 1980
    Date of Patent: October 12, 1982
    Inventor: Wang-Tao Liang