Patents by Inventor Keh Chang Han

Keh Chang Han 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: 6065626
    Abstract: It is related to an improved box opening/closing structure for storing wet towels for baby. It mainly comprises a box for storing wet towels, a box cover fitted on the box and a lifting cover disposed on the middle of the box cover. When a user wants to open it, just press on the lifting cover, this lifting cover can be opened. When this user wants to close it, just make the lifting cover rotate down and then the lifting cover will be locked with box cover. Therefore, not only an excellent sealing effect can be obtained but also the moisture of the wet towels stored in the box can be kept.
    Type: Grant
    Filed: December 8, 1998
    Date of Patent: May 23, 2000
    Inventors: Chien Jung Huang, Keh Chang Han