Patents by Inventor Casper Wein-Tien Chiang

Casper Wein-Tien Chiang 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).

  • Oral care device
    Patent number: 6453497
    Abstract: An oral care device includes a handle, a head extending from the handle, and one or more oral care elements extending from the head. The device also includes a drive for engaging a base portion of each of the one or more oral care elements and for positioning each oral care element relative to that portion of the head from which the oral care element projects based on the motion of the oral care device. In a preferred embodiment of the invention, each oral care element is a tuft of one or more bristles.
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: September 24, 2002
    Assignee: The Gillette Company
    Inventors: Casper Wein-Tien Chiang, Andy Yang, Ben Wang