Patents by Inventor Craig Masterman

Craig Masterman 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: 6308367
    Abstract: A toothbrush having a handle a head extending from the handle, and a plurality of tufts of bristles secured to the head. One of the tufts is secured to the head at a location such that no other tuft is secured to the head at a location which is more distal from the handle than the location where the one tuft is secured to the head. The one tuft is angled by about 81 degrees or less relative to an imaginary line which is tangent to or co-planar with a surface of the head through which the one tuft is secured to the head. The one tuft is tilted away from the handle towards a direction along which the head extends from the handle.
    Type: Grant
    Filed: October 23, 1998
    Date of Patent: October 30, 2001
    Assignee: Gillette Canada Company
    Inventors: Donna Beals, Maisie Wong-Paredes, Craig Masterman, Michael Roberts, Bradley Castillo