Patents Assigned to Twitch, LLC
  • Retractable fin and fin box
    Patent number: 10046836
    Abstract: A retractable fin system having a retractable fin and fin box is disclosed. An example retractable fin system includes a housing insertable into an opening in a watercraft board. The example retractable fin system also includes a retractable fin. The example retractable fin system also includes a bias to maintain the retractable fin in a default outward position from the housing. The bias retracts the retractable fin into the housing on contact with an outside force.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: August 14, 2018
    Assignee: Twitch, LLC
    Inventor: Peter Hall