Patents by Inventor Kam Chau Chang

Kam Chau Chang 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).

  • Publication number: 20080268748
    Abstract: A method of manufacture of a brassiere comprising the steps of providing a first substrate layer; providing thermoplastic polyurethane (hereinafter “TPU”) base material; heating the TPU base material to a molten state; providing a printing roller having recesses on its outer surface; transferring molten TPU material into a recess on a printing roller; transferring the molten TPU onto the first substrate layer by rolling the printing roller over at least part of a surface of the substrate layer; providing a second substrate layer; compressing the first substrate layer and second substrate layer together with the transferred TPU in between the first substrate layer and second substrate layer; heating the compressed first substrate layer and second substrate layer to melt the transferred TPU between the substrate layers, thereby bonding at least part of the first substrate layer and at least part of second substrate layer together to form a laminate; cutting the laminate to form a shape suitable for use in a bra
    Type: Application
    Filed: April 30, 2007
    Publication date: October 30, 2008
    Inventors: Guoxian Huang, Kam Chau Chang, Arnoldus Johannes Maria Berkhout