Patents by Inventor Barbara Lee DaBoll

Barbara Lee DaBoll 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).

  • Crayon for developing dynamic tripod grip
    Patent number: D553188
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: October 16, 2007
    Inventor: Barbara Lee DaBoll
  • Crayon
    Patent number: D622766
    Type: Grant
    Filed: June 29, 2009
    Date of Patent: August 31, 2010
    Inventor: Barbara Lee DaBoll