Patents by Inventor Richard Roy Tews

Richard Roy Tews 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: 5795320
    Abstract: An applicator is disclosed for inserting a substance into a body cavity. The applicator is especially useful for inserting a catamenial tampon into a woman's vagina. The applicator includes a tubular member formed from at least one layer of paper which has an exterior surface. The tubular member is capable of holding the substance which is to be inserted. The exterior surface of the tubular member is coated with a compostable coating. The coating is comprised of at least 85 percent by weight of a polymeric material, at least 10 percent by weight of additives, and up to about 5 percent by weight of a residual monomer.
    Type: Grant
    Filed: August 12, 1996
    Date of Patent: August 18, 1998
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Steven James Nielsen, Yihua Chang, Allan James Krueger, Tammy Jo Balzar, Richard Roy Tews