Patents by Inventor Chen-Lien Ho

Chen-Lien Ho 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).

  • Document folder
    Patent number: 5285952
    Abstract: A document folder includes an upper sheet, a lower sheet and an elongated folding portion which interconnects the upper and lower sheets. A generally C-shaped clamp has an upper clamping plate, a lower clamping plate and a curved portion which interconnects the upper and lower clamping plates. Two protrusions extend oppositely from the free edge of the lower clamping plate. Two parallel slits are formed in the lower sheet of the document folder adjacent to the folding portion of the document folder.
    Type: Grant
    Filed: January 7, 1993
    Date of Patent: February 15, 1994
    Inventor: Chen-Lien Ho