Patents by Inventor Ingrid E. Tostrup

Ingrid E. Tostrup 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
    Patent number: D354561
    Type: Grant
    Filed: March 15, 1994
    Date of Patent: January 17, 1995
    Inventor: Ingrid E. Tostrup