Patents Assigned to Gym-Mark, Inc.
  • Modular ladder frame playground system
    Patent number: 8992388
    Abstract: The present invention relates to playground equipment and, more particularly, to a playground apparatus incorporating modular construction, which permits rapid simplified assembly, modification and universal arrangement of playground equipment modules without tools.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: March 31, 2015
    Assignee: Gym-Mark, Inc.
    Inventors: Jay Beckwith, Hap Parker