Patents by Inventor Stephen C. Witkus

Stephen C. Witkus 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).

  • Gum massaging oral brush
    Patent number: 8156600
    Abstract: A toothbrush including a head having an elastomeric support member is described herein. The elastomeric support member supports a plurality of upstanding projections. At least a portion of the upstanding projections include non-elastomeric projections and elastomeric projections.
    Type: Grant
    Filed: September 9, 2008
    Date of Patent: April 17, 2012
    Assignee: The Gillette Company
    Inventors: Michael Roberts, Thomas Craig Masterman, Edward H. Park, Scott Batson, Philip Sweeney, Mingchih M. Tseng, Stephen C. Witkus
  • Gum Massaging Oral Brush
    Publication number: 20090013484
    Abstract: A toothbrush including a head having an elastomeric support member is described herein. The elastomeric support member supports a plurality of upstanding projections. At least a portion of the upstanding projections include non-elastomeric projections and elastomeric projections.
    Type: Application
    Filed: September 9, 2008
    Publication date: January 15, 2009
    Inventors: Michael Roberts, Thomas Craig Masterman, Edward H. Park, Scott Batson, Philip Sweeney, Mingchih M. Tseng, Stephen C. Witkus
  • Gum massaging oral brush
    Publication number: 20040087882
    Abstract: An oral brush is provided that includes an elongated body, a head portion extending from the body, and a plurality of bristles, formed of particular thermoplastic elastomers, extending from the body. In various embodiments, the thermoplastic elastomer has a Shore A hardness of at least 30; the thermoplastic elastomer is selected from the group consisting of polyetheramides, polyesters, styrene-ethylene-butylene-styrene block copolymers, polyurethanes, polyolefin elastomers, and mixtures thereof; and the thermoplastic elastomer has a flexural modulus of at least 5 MPa.
    Type: Application
    Filed: October 24, 2003
    Publication date: May 6, 2004
    Applicant: Gillette Canada Company, a Canadian corporation
    Inventors: Michael Roberts, Thomas Craig Masterman, Edward H. Park, Scott Batson, Philip Sweeney, Mingchih M. Tseng, Stephen C. Witkus
  • Gum-massaging oral brush
    Publication number: 20020084550
    Abstract: An oral brush is provided that includes an elongated body, a head portion extending from the body, and a plurality of bristles, formed of particular thermoplastic elastomers, extending from the body. In various embodiments, the thermoplastic elastomer has a Shore A hardness of at least 30; the thermoplastic elastomer is selected from the group consisting of polyetheramides, polyesters, styrene-ethylene-butylene-styrene block copolymers, polyurethanes, polyolefin elastomers, and mixtures thereof; and the thermoplastic elastomer has a flexural modulus of at least 5 MPa.
    Type: Application
    Filed: December 26, 2001
    Publication date: July 4, 2002
    Inventors: Michael Roberts, Thomas Craig Masterman, Edward H. Park, Scott Batson, Philip Sweeney, Mingchih M. Tseng, Stephen C. Witkus
  • Gum-massaging oral brush
    Patent number: 6151745
    Abstract: An oral brush is provided that includes an elongated body, a head portion extending from the body, and a plurality of bristles, formed of particular thermoplastic elastomers, extending from the body. In various embodiments, the thermoplastic elastomer has a Shore A hardness of at least 30; the thermoplastic elastomer is selected from the group consisting of polyetheramides, polyesters, styrene-ethylene-butylene-styrene block copolymers, polyurethanes, polyolefin elastomers, and mixtures thereof; and the thermoplastic elastomer has a flexural modulus of at least 5 MPa.
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: November 28, 2000
    Assignee: Gillette Canada, Inc.
    Inventors: Michael F. Roberts, T. Craig Masterman, Edward Hosung Park, Philip J. Sweeney, Mingchih M. Tseng, Stephen C. Witkus
  • Gum-massaging oral brush
    Patent number: 5987688
    Abstract: An oral brush is provided that includes an elongated body a head portion extending from the body, and a plurality of bristles, formed of particular thermoplastic elastomers, extending from the body. In various embodiments, the thermoplastic elastomer has a Shore A hardness of at least 30; the thermoplastic elastomer is selected from the group consisting of polyetheramides, polyesters, styrene-ethylene-butylene-styrene block copolymers, polyurethanes, polyolefin elastomers, and mixtures thereof; and the thermoplastic elastomer has a flexural modulus of at least 5 MPa.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: November 23, 1999
    Assignee: Gillette Canada Inc.
    Inventors: Michael F. Roberts, T. Craig Masterman, Edward Hosung Park, Philip J. Sweeney, Mingchih M. Tseng, Stephen C. Witkus