Patents by Inventor L. J. Wolfram

L. J. Wolfram 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 photobleaching
    Patent number: 4792341
    Abstract: A method and apparatus for artificially bleaching or lightening hair by exposing the hair to intense radiation of artificial light. The light is typically from a laser or flashlamp source and provides adequate intensity and power during the lifetime of the excited melanin molecule in the hair to substantially destroy at least some of the melanin molecules in the hair.
    Type: Grant
    Filed: June 19, 1986
    Date of Patent: December 20, 1988
    Assignee: Clairol Incorporated
    Inventors: Stan D. Kozikowski, J. Menkart, L. J. Wolfram