Patents by Inventor Charlotte Buch

Charlotte Buch 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: D317481
    Type: Grant
    Filed: November 29, 1989
    Date of Patent: June 11, 1991
    Assignee: Interlego A.G.
    Inventor: Charlotte Buch