Patents by Inventor Chen-Tsung Tsai

Chen-Tsung Tsai 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: 20030163921
    Abstract: A multi-functional cutter includes a handle, a stationary lower jaw secured to the handle, a first blade secured to the stationary lower jaw, a pivotal upper jaw connected with the handle, a second blade secured to the pivotal upper jaw so that the first and second blades face each other, and a third blade mounted on the stationary lower jaw. The multi-functional cutter may include a frame formed on the handle for holding a spare blade. The multi-functional cutter may include a cover movably mounted on the frame for concealing the spare blade. The multi-functional cutter may include a light source mounted on the handle.
    Type: Application
    Filed: June 17, 2002
    Publication date: September 4, 2003
    Inventor: Chen-Tsung Tsai