Patents by Inventor Christine Marie Wagenknecht

Christine Marie Wagenknecht 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).

  • Beard trimmer with rotating head
    Patent number: D439703
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: March 27, 2001
    Assignee: Wahl Clipper Corporation
    Inventors: Christine Marie Wagenknecht, Ivan Brousseau
  • Beard trimmer with comb
    Patent number: D455862
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: April 16, 2002
    Assignee: Wahl Clipper Corporation
    Inventors: Christine Marie Wagenknecht, Ivan Brousseau
  • Beard trimmer with comb
    Patent number: D456095
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: April 23, 2002
    Assignee: Wahl Clipper Corporation
    Inventors: Christine Marie Wagenknecht, Ivan Broussea