Patents by Inventor William D. Decker

William D. Decker 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: 4453925
    Abstract: A tampon insertion device comprising an elongated tube of spirally wound laminated paper construction provided with a domed insertion end defined by a series of generally hemispherically cupped petals. The petals are formed in a generally triangular configuration through the removal of tube material by appropriate punch and die apparatus. The insertion end of the tube, preferably prior to the defining of the petals in the tube end, is provided with longitudinal scores oriented to locate a single score extending centrally along each of the formed petals. Additionally, multiple circumferential scores are provided about the insertion end of the tube whereby each formed petal will incorporate multiple transversely extending scores.
    Type: Grant
    Filed: February 12, 1982
    Date of Patent: June 12, 1984
    Assignee: Sonoco Products Company
    Inventor: William D. Decker