Patents by Inventor Lawrence Rathsack

Lawrence Rathsack 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).

  • Lean to steer recumbent vehicle
    Patent number: 7976046
    Abstract: Two versions of recumbent human powered three wheeled vehicles are disclosed. Both are of the tadpole type with two front wheels and one rear drive wheel. Both versions lean into turns causing weight transfer toward the inside of turns to prevent rollover during turns at speed.
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: July 12, 2011
    Inventor: Lawrence Rathsack
  • Lean to steer recumbent vehicle
    Publication number: 20090224524
    Abstract: Two versions of recumbent human powered three wheeled vehicles are disclosed. Both are of the tadpole type with two front wheels and one rear drive wheel. Both versions lean into turns causing weight transfer toward the inside of turns to prevent rollover during turns at speed.
    Type: Application
    Filed: March 5, 2008
    Publication date: September 10, 2009
    Inventor: Lawrence Rathsack