Patents by Inventor Kirk T. Lemmon

Kirk T. Lemmon 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).

  • Integrated resistance spring force machine
    Patent number: 7878955
    Abstract: An integrated resistance spring force assembly machine which is incorporated into an exercise machine and having a plurality of internal transverse sections with each section having respective constant force springs to output a respective magnitude of a spring resistance force, which serves as the respective force loads when in use, and a force selection mechanism which can be used to selectively activate the respective springs so that the respective force loads can be output to a combined level of resistance for an exercise routine.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: February 1, 2011
    Inventors: Michael J. Ehrlich, Kirk T. Lemmon, Dean G. Tornabene