Patents by Inventor Ho Bun Choi

Ho Bun Choi 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).

  • Spring action paintball marker
    Patent number: 7975683
    Abstract: A paintball marker using a piston and compression spring mounted in an air focus tube for generating compressed air for launching a paintball down a barrel. A trigger and sear are used to catch the compression spring when it is compressed to control the launching of the paintball. Exterior pull handles mounted behind the marker, and slideably mounted on the barrel are described for compressing the spring. Also, a pivotally mounted barrel is provided as another embodiment for compressing the spring.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: July 12, 2011
    Assignee: Kee Action Sports, LLC
    Inventors: Steve Williams, Cole Krebs, Ho Bun Choi