Patents by Inventor Benjamin Chiatse Sze

Benjamin Chiatse Sze 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: 3988883
    Abstract: A bulked dimensionally stable yarn composed of a plurality of crimped and straight filaments randomly disposed throughout the cross-section of the yarn, said crimped filaments provide bulk and said straight filaments provide dimensional stability.
    Type: Grant
    Filed: August 14, 1963
    Date of Patent: November 2, 1976
    Assignee: E. I. DuPont de Nemours and Company
    Inventor: Benjamin Chiatse Sze