Patents Assigned to Calgolf LLC
  • Sports training device
    Patent number: 8172696
    Abstract: A training device for improving one's swing in a particular sport having a weighted member flexibly tethered to a handle. The handle is gripped swinging the weighted member against a target.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: May 8, 2012
    Assignee: Calgolf LLC
    Inventor: Calvin Kwai On Lum