Patents by Inventor Roger Van Dusen

Roger Van Dusen 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).

  • Patent number: D438120
    Type: Grant
    Filed: October 3, 1997
    Date of Patent: February 27, 2001
    Assignee: Helene Curtis, Inc.
    Inventors: Ursula Flurer, Sky Underwood, Roger Van Dusen
  • Patent number: D440881
    Type: Grant
    Filed: October 3, 1997
    Date of Patent: April 24, 2001
    Assignee: Helene Curtis, Inc.
    Inventors: Ursula Flurer, Sky Underwood, Roger Van Dusen
  • Patent number: D374625
    Type: Grant
    Filed: May 11, 1995
    Date of Patent: October 15, 1996
    Assignee: Helene Curtis, Inc.
    Inventors: Ursula A. Flurer, Sky Underwood, Roger Van Dusen
  • Cap
    Patent number: D426158
    Type: Grant
    Filed: October 3, 1997
    Date of Patent: June 6, 2000
    Assignee: Helene Curtis, Inc.
    Inventors: Ursula Flurer, Sky Underwood, Roger Van Dusen