Patents by Inventor Cho N. In

Cho N. In 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).

  • Massaging and combing helmet for insomnia
    Patent number: 5081986
    Abstract: A massaging helmet contains an endless belt which rubs the wearer's head with belt areas of various textures. The belt runs over two rollers located inside the helmet near the forehead and nape. An electric motor and batteries power the belt, which rubs the scalp from front to back. The rear roller is adjustable for tensioning the belt. The belt surface, of soft plastic, has both an embossed area to mimic the human hand, and another area with rows of upright plastic fingers which comb the hair.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: January 21, 1992
    Inventor: Cho N. In