Patents by Inventor John Seto

John Seto 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).

  • Folding guard rail method and apparatus
    Patent number: 9617747
    Abstract: The present invention is for a safety guard rail system having folding guard rails designed to be raised or lowered at their base by a single individual from an acceptable safe distance from the edge of a precipice, such as the edge of a building roof. A sliding sleeve hinge lock locks each folding rail in an erect position and can be remotely unlocked for folding the rail. An elongated grappling tool has a hook-like end for grabbing the sliding sleeve hinge lock handle for locking and unlocking the hinge lock from a distance when erecting or folding a guard rail.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: April 11, 2017
    Inventors: John Seto, Ronnie J. Jones
  • FOLDING GUARD RAIL METHOD AND APPARATUS
    Publication number: 20150023774
    Abstract: The present invention is for a safety guard rail system having folding guard rails designed to be raised or lowered at their base by a single individual from an acceptable safe distance from the edge of a precipice, such as the edge of a building roof. A sliding sleeve hinge lock locks each folding rail in an erect position and can be remotely unlocked for folding the rail. An elongated grappling tool has a hook-like end for grabbing the sliding sleeve hinge lock handle for locking and unlocking the hinge lock from a distance when erecting or folding a guard rail.
    Type: Application
    Filed: July 17, 2013
    Publication date: January 22, 2015
    Inventors: John Seto, Ronnie J. Jones