Patents by Inventor Shu-ken Lee

Shu-ken Lee 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).

  • Pouch producing machine
    Patent number: 5628863
    Abstract: A pouch producing machine for producing protective pouches has a feeding device, a gluing device, a glue provider and a cutting-forming device. A sheet of pouch has an upper sheet, a lower sheet, a middle bar and two side bars. The already combined sheet of pouches, after being processed by the machine, becomes an individual pouch having its three sides sealed by the middle bar and the side bars.
    Type: Grant
    Filed: June 12, 1996
    Date of Patent: May 13, 1997
    Inventor: Shu-ken Lee