Patents by Inventor David N. Nelson

David N. Nelson 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: D635314
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: March 29, 2011
    Inventor: David N. Nelson