Patents by Inventor William F. Kroll

William F. Kroll 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).

  • Cross-shaped calendar
    Patent number: D658714
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: May 1, 2012
    Inventors: William F. Kroll, William Ogden
  • Cross-shaped display stand
    Patent number: D658908
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: May 8, 2012
    Inventor: William F. Kroll
  • Cross-shaped display stand
    Patent number: D659430
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: May 15, 2012
    Inventor: William F. Kroll
  • Cross-shaped display stand
    Patent number: D659431
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: May 15, 2012
    Inventor: William F. Kroll
  • Cross-shaped display stand
    Patent number: D659432
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: May 15, 2012
    Inventor: William F. Kroll
  • Cross-shaped display stand
    Patent number: D671770
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: December 4, 2012
    Inventor: William F. Kroll
  • Cross-shaped calendar
    Patent number: D671987
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: December 4, 2012
    Inventors: William F. Kroll, William Ogden
  • Cross-shaped display stand
    Patent number: RE45427
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: March 24, 2015
    Inventor: William F. Kroll
  • Cross-shaped display stand
    Patent number: RE45428
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: March 24, 2015
    Inventor: William F. Kroll
  • Cross-shaped display stand
    Patent number: RE45546
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: June 9, 2015
    Inventor: William F. Kroll
  • Cross-shaped display stand
    Patent number: RE45560
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: June 16, 2015
    Inventor: William F. Kroll
  • Cross-shaped display stand
    Patent number: RE45622
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: July 28, 2015
    Inventor: William F. Kroll
  • Calendar with applied surface pattern
    Patent number: D742964
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: November 10, 2015
    Inventor: William F. Kroll
  • Calendar with applied surface pattern
    Patent number: D744033
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: November 24, 2015
    Inventor: William F. Kroll
  • Cross-shaped display stand
    Patent number: D745793
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: December 22, 2015
    Inventor: William F. Kroll
  • Cross-shaped display stand
    Patent number: D746086
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: December 29, 2015
    Inventor: William F. Kroll