Patents by Inventor Joan Lasker Sobel

Joan Lasker Sobel 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).

  • Hair product application system
    Patent number: 5964226
    Abstract: A hair product application system includes a main body defining a reservoir which contains a hair product or hair coloring substance, an integral applicator having a first portion disposed inside the reservoir and a second portion disposed through an opening to the outside of the main body, and a cap adapted to cover the second portion of the applicator and sealingly attach to the main body. The applicator transports the hair product from the reservoir to the outer surface of the second portion of the applicator by capillary action, from where the hair product may be transferred by direct contact to the hair to be treated.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: October 12, 1999
    Inventor: Joan Lasker Sobel