Patents by Inventor Seth Calvin

Seth Calvin 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).

  • Sparking device for a personal mobility vehicle
    Patent number: 8746723
    Abstract: A spark generating device that is supported by a tricycle is movable to a position in which the spark generating device contacts the riding surface. The spark generating device includes a handle actuation portion and a spark portion that creates sparks on the riding surface as a result of frictional contact with the riding surface. The spark generating device can also include a handle actuation portion which is accessible to the user and allows the user to move the spark generating device to the second position without having to manipulate the wheels or pedals of the tricycle.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: June 10, 2014
    Assignee: Razor USA, LLC
    Inventors: Robert Chen, Seth Calvin, William Griggs
  • SPARKING DEVICE FOR A PERSONAL MOBILITY VEHICLE
    Publication number: 20120256389
    Abstract: A spark generating device that is supported by a tricycle is movable to a position in which the spark generating device contacts the riding surface. The spark generating device includes a handle actuation portion and a spark portion that creates sparks on the riding surface as a result of frictional contact with the riding surface. The spark generating device can also include a handle actuation portion which is accessible to the user and allows the user to move the spark generating device to the second position without having to manipulate the wheels or pedals of the tricycle.
    Type: Application
    Filed: April 5, 2012
    Publication date: October 11, 2012
    Applicant: RAZOR USA LLC
    Inventors: Robert Chen, Seth Calvin, William Griggs
  • Tricycle with rear caster wheels
    Patent number: D593910
    Type: Grant
    Filed: July 16, 2007
    Date of Patent: June 9, 2009
    Assignee: Razor USA LLC
    Inventors: Seth Calvin, Li Zhao-Fei