Patents by Inventor Wen J. Hsieh

Wen J. Hsieh 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).

  • Button attachable to clothes without using thread
    Patent number: 4970766
    Abstract: A button includes a female element and a male element engageable with each other. A hole with a pawl is formed in the female element. The male element includes a base portion and a pin integrally formed together. The pin has a free tip end and one or more recesses. The pin is insertable through the hole and the pawl is engageable with one of the recesses.
    Type: Grant
    Filed: December 20, 1989
    Date of Patent: November 20, 1990
    Inventors: Ming F. Hsiau, Wen J. Hsieh