Patents by Inventor T. Craig Masterman

T. 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).

  • 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