Patents by Inventor Nicolai I. Tankovich

Nicolai I. Tankovich 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 removal device and method
    Patent number: 5425728
    Abstract: A device and process for the permanent removal of unwanted human hair. Hair on a section of skin is contaminated with a substance having high absorption of a frequency band of light. The skin is illuminated with light at this frequency band at sufficient intensity and duration to kill the follicles or the skin tissue feeding the hair. Specific embodiments are disclosed to produce death of the follicles or the skin tissues feeding the hair by heating and by photochemical reaction.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: June 20, 1995
    Inventor: Nicolai I. Tankovich