Patents by Inventor Frederick C. Robinson

Frederick C. Robinson 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).

  • Curtain rod bracket
    Patent number: D635449
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: April 5, 2011
    Inventor: Frederick C. Robinson
  • Curtain rod bracket
    Patent number: D638282
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: May 24, 2011
    Inventor: Frederick C. Robinson