Patents Assigned to Cheng Lien Plastic Co., Ltd.
  • Batting practice device
    Patent number: 5772536
    Abstract: A batting practice device includes a base frame, a flexible tube having a lower portion fixedly mounted on the base frame, and a target object detachably mounted on the upper portion of the flexible tube.
    Type: Grant
    Filed: February 19, 1997
    Date of Patent: June 30, 1998
    Assignee: Cheng Lien Plastic Co., Ltd.
    Inventor: Lian-Cheng Wang