Patents by Inventor Rex J. Polak

Rex J. Polak 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).

  • Leg-length adjustment assembly and uses thereof
    Patent number: 8210314
    Abstract: The present invention is related to a new and non-obvious device for adjusting the length of a leg associated with, for example a ladder, tripod or the like. Prior art leg adjustment devices are not without their problems being either extremely complicated and, therefore, expensive to build or difficult to use, heavy or limited to specific adjustment lengths.
    Type: Grant
    Filed: January 2, 2009
    Date of Patent: July 3, 2012
    Inventor: Rex J. Polak