Patents Assigned to Dr. Bob's Ltd.
  • Patent number: 10172440
    Abstract: A toothbrush can include tufted bristles and tongue brush bristles that emanate from the same surface of the head. The tufted bristles can function primarily to clean the teeth whereas the tongue brush bristles can function primarily to clean the surface of the tongue. The tongue brush bristles can also insert between teeth and along the gum line when the toothbrush is used to brush the teeth thereby enhancing the toothbrush's effectiveness for removing bacteria, food particles, and/or soft plaque from the teeth.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: January 8, 2019
    Assignee: DR. BOB'S LTD.
    Inventor: Robert K. Wagstaff
  • Patent number: 9700127
    Abstract: A toothbrush can include tufted bristles and tongue brush bristles that emanate from the same surface of the head. The tufted bristles can function primarily to clean the teeth whereas the tongue brush bristles can function primarily to clean the surface of the tongue. The tongue brush bristles can also insert between teeth and along the gum line when the toothbrush is used to brush the teeth thereby enhancing the toothbrush's effectiveness for removing bacteria, food particles, and/or soft plaque from the teeth.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: July 11, 2017
    Assignee: Dr. Bob's LTD.
    Inventor: Robert K. Wagstaff
  • Patent number: 6792642
    Abstract: Devices for cleaning the human tongue and methods for making such devices are disclosed. The tongue cleaner may include a tongue brush and a tongue scraper. The tongue cleaner may be of unitary injection molded construction. The tongue cleaner bristles may be tapered to a point for cleaning crevices of a human tongue, and the bristles may be angled or curved. The tongue scraper contains at least one blade for removal of undesirable material from the tongue by a scraping action. The tongue brush and tongue scraper may be combined into one unit or may be made and used separately.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: September 21, 2004
    Assignee: Dr. Bob's Ltd.
    Inventor: Robert K. Wagstaff