Patents by Inventor Royal P. Tuthill

Royal P. Tuthill 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).

  • Cabled or wrapped, stuffer box crimped yarn and method of producing the same
    Patent number: 3950933
    Abstract: A stuffer box crimped yarn of lengthwise uniformity in appearance is produced by twisting together or, more specifically, cabling at least three multifiliment ends, at least one of the ends being of a different color, initial twist or initial texture from at least one other of the ends, or by twisting together, that is, wrapping, two stuffer box crimped multifilament ends, at least one of the ends having an initial twist, the ends being of different colors, initial twists or initial textures.
    Type: Grant
    Filed: February 15, 1974
    Date of Patent: April 20, 1976
    Assignee: Concorde Fibers Inc.
    Inventor: Royal P. Tuthill