Patents by Inventor Regeina A. Hollowell

Regeina A. Hollowell 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).

  • Patent number: 6012464
    Abstract: A hair perming aid that includes a sheet of litmus paper. The color changing litmus paper is reactive with a hair perming solution such that a readily visible color change occurs when the sheet of color changing litmus paper is saturated with the hair perming solution. The sheets of color changing litmus paper are preferably provided in a long perforated strip wound onto a dispensing roll.
    Type: Grant
    Filed: February 17, 1999
    Date of Patent: January 11, 2000
    Inventors: Regeina A. Hollowell, Jack L. Hollowell