Patents by Inventor Donald S. Martin

Donald S. Martin 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 brush with movable bristle rows
    Patent number: 4475563
    Abstract: A hair brush has features for placing waves in the hair with the use of a hot air blower. The brush has a body with a filament carrier portion and a handle portion. The filament carrier portion has at least one stationary section and one movable section. Each section has at least one longitudinal row of filaments. The movable section is movable with respect to the stationary section. In one position, the filaments align, and in the other position, the filament are moved out of alignment. A spring urges the movable section to the first position.
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: October 9, 1984
    Inventor: Donald S. Martin