Patents by Inventor Nathan J. Robb

Nathan J. Robb 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).

  • Hat accessory
    Patent number: D623833
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: September 21, 2010
    Inventor: Nathan J. Robb
  • Hat accessory
    Patent number: D635745
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: April 12, 2011
    Inventor: Nathan J. Robb