Patents by Inventor Richard W. Primm, deceased

Richard W. Primm, deceased 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: 4227884
    Abstract: The present invention consist of a method and apparatus for treating texturized yarn to improve its quality whereby a yarn is produced with greater bulk and more uniformity and dyeing which eliminates streaking and produces yarn spools which are more easily handled by the workmen, and which produce fabrics of greater density, flexibility, and greater stretch and rebound qualities.
    Type: Grant
    Filed: April 27, 1979
    Date of Patent: October 14, 1980
    Inventor: Richard W. Primm, deceased