Patents by Inventor Herbert Umstead

Herbert Umstead 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).

  • Method and device for increasing the volume of a head of hair
    Patent number: 5297566
    Abstract: The invention relates to a hairdressing method consisting in increasing the apparent volume of a head of hair and simultaneously setting it in this state of swelling by means of an aerosol generator. To do so, the aerosol is shaken with a mass flow of between 0.5 and 4.0 g/s at 20.degree. C., ensuring an atomization which provides a thrust of between 6,500 and 40,000 dynes at 20.degree. C. on a disc having a diameter of 160 mm, placed 150 mm from the dispensing head.
    Type: Grant
    Filed: July 30, 1991
    Date of Patent: March 29, 1994
    Assignee: L'Oreal
    Inventors: Donald E. Firstenberg, Martha L. Huff, Edward Carhart, Donald Warren, Herbert Umstead, Roland de la Mettrie, John A. Penicnak, Regis Beitone, Pierre Meurice