Patents by Inventor Su-Jem Tsai

Su-Jem 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).

  • Patent number: 4658456
    Abstract: A multi-purpose scissors which comprises a pair of first and second bodies which are pivotally connected by a detachable rivet or the like. The detachable rivet is arranged to be capable of being fixed to either one of a pair of positioning holes formed in the first body so that this can increase the relative movement of the first and second bodies hence to provide a more flexible function for the users. The first and second bodies are provided with a plurality of commonly used tools therefore it is a practical multi-purpose scissors.
    Type: Grant
    Filed: October 16, 1985
    Date of Patent: April 21, 1987
    Inventor: Su-Jem Tsai