Patents by Inventor Gregory McDougall

Gregory McDougall 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).

  • Toothbrush
    Patent number: 7389557
    Abstract: An electrically driven toothbrush has a brush holder that is arranged to rotationally vibrate and carry a number of bristles interspaced with arcuate membranes. The membranes serve to aid cleaning of the teeth and to polish the teeth surfaces during use of the toothbrush.
    Type: Grant
    Filed: January 10, 2006
    Date of Patent: June 24, 2008
    Assignee: Colgate-Palmolive Company
    Inventor: Gregory McDougall
  • Electric toothbrush
    Publication number: 20070143938
    Abstract: An electric toothbrush has a casing with a handle and a neck extending from the handle. A rotary drive shaft extends within the casing and comprises two radially opposed offset crank portions at a distal end of the neck. A tuft block is located at the distal end of the neck and is coupled with the two offset crank portions to cause a wobbling motion in the tuft block upon rotation of the shaft. An LED light source in the visible region of blue or red light is provided between rows of bristles for fighting bacteria and other oral conditions.
    Type: Application
    Filed: December 22, 2005
    Publication date: June 28, 2007
    Inventor: Gregory McDougall
  • Toothbrush
    Publication number: 20060107474
    Abstract: An electrically driven toothbrush has a brush holder that is arranged to rotationally vibrate and carry a number of bristles interspaced with arcuate membranes. The membranes serve to aid cleaning of the teeth and to polish the teeth surfaces during use of the toothbrush.
    Type: Application
    Filed: January 10, 2006
    Publication date: May 25, 2006
    Inventor: Gregory McDougall
  • Toothbrush
    Patent number: 6983507
    Abstract: An electrically-driven toothbrush has a brush holder that is arranged to rotationally vibrate and carry a number of bristles interspaced with arcuate membranes. The membranes serve to aid cleaning of the teeth and to polish the teeth surfaces during use of the toothbrush.
    Type: Grant
    Filed: February 27, 2003
    Date of Patent: January 10, 2006
    Assignee: Colgate-Palmolive Company
    Inventor: Gregory McDougall
  • Toothbrush
    Publication number: 20040168271
    Abstract: An electrically-driven toothbrush has a brush holder that is arranged to rotationally vibrate and carry a number of bristles interspaced with arcuate membranes. The membranes serve to aid cleaning of the teeth and to polish the teeth surfaces during use of the toothbrush.
    Type: Application
    Filed: February 27, 2003
    Publication date: September 2, 2004
    Inventor: Gregory McDougall