Patents Represented by Attorney David Howley

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  • Toothbrush
    Patent number: 6564416
    Abstract: A toothbrush includes a head having bristle tufts implanted therein. At least two of the tufts cross so as to permit at least some the bristles to intermingle. One of the two tufts is located adjacent a long side of the head.
    Type: Grant
    Filed: May 22, 2000
    Date of Patent: May 20, 2003
    Assignee: Gillette Canada Company
    Inventors: Karen Claire, Thomas Craig Masterman, William A. Bredall, James Schreck
  • Toothbrush
    Patent number: 6553604
    Abstract: A toothbrush includes a handle, a head extending from the handle, and a plurality of tooth cleaning elements, such as tufts of bristles, extending from the head. Each tooth cleaning element is supported for rotation about primarily only one axis. Each tooth cleaning element is rotatable independent of the other tooth cleaning element(s).
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: April 29, 2003
    Assignee: Gillette Canada Company
    Inventors: Phillip M. Braun, William Alan Bredall, Karen Lynn Claire, Thomas Craig Masterman, Mark Edward McConnell, Michael F. Roberts, Thomas Overthun
  • Oral care device
    Patent number: 6453497
    Abstract: An oral care device includes a handle, a head extending from the handle, and one or more oral care elements extending from the head. The device also includes a drive for engaging a base portion of each of the one or more oral care elements and for positioning each oral care element relative to that portion of the head from which the oral care element projects based on the motion of the oral care device. In a preferred embodiment of the invention, each oral care element is a tuft of one or more bristles.
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: September 24, 2002
    Assignee: The Gillette Company
    Inventors: Casper Wein-Tien Chiang, Andy Yang, Ben Wang
  • Filament gripper
    Patent number: 6439669
    Abstract: A gripper includes a) a first element that includes a plurality of male components; and b) a second element that includes a plurality of female components dimensioned to receive the male components. The first element and the second element are moveable from an open position to a closed position and the male components engage the female components when the elements are in a closed position. The individual male components and the individual female components are capable of maintaining a plurality of bristles in fixed relation to each other when the elements are in a closed position.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: August 27, 2002
    Assignee: Gillette Canada Company
    Inventor: Patrick S. Reilly
  • Polypropylene brush body
    Patent number: 6397425
    Abstract: An oral brush includes a) a body that includes a polymer composition that includes polypropylene and has a melt flow rate of at least about 10 g/10 min, and b) bristles extending from the body.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: June 4, 2002
    Assignee: Gillette Canada Company
    Inventors: Gerald S. Szczech, Jeffrey S. Lewenczuk
  • Injection molding of oral brush bodies
    Patent number: 6372162
    Abstract: A method for making an oral brush body using an injection molding apparatus includes injecting polymer into a mold cavity at a pressure no greater than about 250 psi and in an amount sufficient to fill the cavity. The injection molding apparatus includes a mold that includes a cavity defining at least a portion of an oral brush body, and an injection unit in communication with the cavity and capable of injecting a polymer into the mold cavity at a pressure no greater than about 250 psi and in an amount sufficient to fill the cavity.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: April 16, 2002
    Assignee: The Gillette Company
    Inventor: Gerald S. Szczech
  • Brush tufting
    Patent number: 6352313
    Abstract: The composite brush mold includes a) a first component that includes a pattern of holes extending from a first surface of the first component to a second surface of the first component, the holes being configured to receive tufts that include at least one bristle, and b) a second component that includes a pattern of fingers that correspond to the pattern of holes, the fingers extending into the holes to form end walls.
    Type: Grant
    Filed: August 25, 1999
    Date of Patent: March 5, 2002
    Assignee: Gillette Canada Company'
    Inventors: Kenneth Bradley Wilson, Gerald S. Szczech
  • 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
  • Dental floss dispenser
    Patent number: 6302121
    Abstract: A floss dispenser includes a housing that includes an exit, and a floss carrier disposed in the housing, where the floss carrier includes an arm extending across the exit, and a strand of dental floss on the floss carrier and extending through the exit.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: October 16, 2001
    Assignee: Gillette Canada Company
    Inventor: Mark Edward McConnell
  • Toothbrush
    Patent number: 6272714
    Abstract: A toothbrush includes a handle, a head extending from the handle, and a tuft of bristles extending from the head. The tuft is inclined such that the angle of inclination is an acute angle relative to a surface of the head through which the tuft extends. The bristles have free ends which define a plane, the plane being other than perpendicular to a direction in which the tuft extends from the head. The plane is inclined towards the same direction in which the tuft is inclined.
    Type: Grant
    Filed: March 29, 1999
    Date of Patent: August 14, 2001
    Assignee: Gillette Canada Company
    Inventor: Donna Beals
  • Disposable dental treatment tray for holding medicament gel
    Patent number: 6247930
    Abstract: The present invention relates to a tray for holding medicament to be applied to the teeth and gums of a patient, said tray being unitarily formed of a flexible composite material comprising a flexible, fine-celled polymeric foam upper layer, a tying layer and a film bottom layer. Said tray provides the user with a comfortable fit and exhibits improved mechanical and chemical resistance characteristics. Said trays are stable, even when decorated with ornamental printing.
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: June 19, 2001
    Assignee: Gillette Canada Company
    Inventors: Casper Chiang, Patrick J. Hanley, Robert Perry
  • Set of bristles for a toothbrush
    Patent number: D443985
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: June 26, 2001
    Assignee: Gillette Canada Company
    Inventors: Donna Beals, Maisie Wong-Paredes, Edgardo Gotangco Zapanta
  • Toothbrush handle
    Patent number: D446021
    Type: Grant
    Filed: August 8, 2000
    Date of Patent: August 7, 2001
    Assignee: Gillette Canada Company
    Inventor: Huang Shou Jen
  • Toothbrush
    Patent number: D457325
    Type: Grant
    Filed: April 17, 2001
    Date of Patent: May 21, 2002
    Assignee: The Gillette Company
    Inventors: Kenneth Bradley Wilson, Florina Winter, Lavern Weinschenk, Jr.
  • Toothbrush
    Patent number: D462525
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: September 10, 2002
    Assignee: Gillette Canada Company
    Inventors: David George Grau, Gary Lim, Joseph Watson, Mark Edward McConnell, Declan Connolly, Niall O'Gara, Robert Anthony Walsh, Max Yoshimoto, Jeff Hoefer, Dustin R. Brown
  • Toothbrush
    Patent number: D463131
    Type: Grant
    Filed: April 16, 2001
    Date of Patent: September 24, 2002
    Assignee: The Gillette Company
    Inventors: Florina Winter, David Vivian Tyndall, Neil Goldberg, Adam Richardson, Imraan Aziz, Salvatore Bondi
  • Toothbrush
    Patent number: D463132
    Type: Grant
    Filed: June 5, 2001
    Date of Patent: September 24, 2002
    Assignee: The Gillette Company
    Inventors: Florina Winter, David Vivian Tyndall, Neil Goldberg, Adam Richardson, Imraan Aziz, Salvatore Bondi
  • Toothbrush and a toothbrush handle
    Patent number: D463668
    Type: Grant
    Filed: October 25, 2001
    Date of Patent: October 1, 2002
    Assignee: The Gillette Company
    Inventors: Max Yoshimoto, Chueh Lee
  • Toothbrush
    Patent number: D464796
    Type: Grant
    Filed: April 16, 2001
    Date of Patent: October 29, 2002
    Assignee: The Gillette Company
    Inventors: Florina Winter, David Vivian Tyndall, Neil Goldberg, Adam Richardson, Imraan Aziz, Salvatore Bondi
  • Toothbrush handle
    Patent number: D471363
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: March 11, 2003
    Assignee: The Gillette Company
    Inventors: David George Grau, Gary Lim, Joseph Watson, Mark Edward McConnell, Declan Connolly, Niall O'Gara, Robert Anthony Walsh, Max Yoshimoto, Jeff Hoefer, Dustin R. Brown