Patents by Inventor Ralph I. Williams

Ralph I. Williams 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).

  • Tampon applicator
    Patent number: D263503
    Type: Grant
    Filed: May 17, 1979
    Date of Patent: March 23, 1982
    Assignee: Ortho Pharmaceutical Corporation
    Inventor: Ralph I. Williams