Patents by Inventor Frank T. Yowonske

Frank T. Yowonske 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).

  • Stretch level
    Patent number: 8046929
    Abstract: A level 11 is provided comprising a base 1 having a top reference edge 2 and recession 3 wherein a slidable member 8 fits within the recession 3 of the base 1 and is slidable to extend the top reference edge 2 of the base for multiple lengths. Further embodiments of the present invention provide a level 11 having attachment means to level at various angles and additional lengths.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: November 1, 2011
    Assignee: Stretch Level, LLC
    Inventor: Frank T. Yowonske
  • STRETCH LEVEL
    Publication number: 20100325906
    Abstract: A level 11 is provided comprising a base 1 having a top reference edge 2 and recession 3 wherein a slidable member 8 fits within the recession 3 of the base 1 and is slidable to extend the top reference edge 2 of the base for multiple lengths. Further embodiments of the present invention provide a level 11 having attachment means to level at various angles and additional lengths.
    Type: Application
    Filed: May 26, 2010
    Publication date: December 30, 2010
    Inventor: Frank T. Yowonske