Patents by Inventor Rachel Stevenson

Rachel Stevenson 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).

  • Cosmetic device and method
    Patent number: 6655388
    Abstract: A cosmetic device comprises an enclosure that contains a liquid color composition and a liquid catalyst composition. The enclosure also comprises a seal that prevents the liquids from mixing when such mixing is not desired, and allows them to be intermixed to form a color altering composition when such mixing is desired. In a preferred embodiment, the seal is a perforatable seal. Methods of using the device involve applying the color altering composition to the skin or hair with an applicator.
    Type: Grant
    Filed: February 1, 2002
    Date of Patent: December 2, 2003
    Inventor: Rachel Stevenson
  • Cosmetic device and method
    Publication number: 20020104547
    Abstract: A cosmetic device comprises an enclosure that contains a liquid color composition and a liquid catalyst composition. The enclosure also comprises a seal that prevents the liquids from mixing when such mixing is not desired, and allows them to be intermixed to form a color altering composition when such mixing is desired. In a preferred embodiment, the seal is a perforatable seal. Methods of using the device involve applying the color altering composition to the skin or hair with an applicator.
    Type: Application
    Filed: February 1, 2002
    Publication date: August 8, 2002
    Inventor: Rachel Stevenson