Patents by Inventor Maria Teresa Echeverria Salinas

Maria Teresa Echeverria Salinas 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).

  • Menstrual detector
    Patent number: 5728125
    Abstract: A menstrual detector comprising a sanitary napkin of reduced dimensions, formed by a thin layer of absorbent material, and within the interior of the absorbent material a small cavity containing a temperature-sensitive reactive chemical product that can respond by turning cold when it comes into contact with and dissolves in a menstrual flow.
    Type: Grant
    Filed: September 21, 1995
    Date of Patent: March 17, 1998
    Inventor: Maria Teresa Echeverria Salinas