Patents Assigned to Swinglite, Inc.
  • Golf swing indicator
    Patent number: 4819942
    Abstract: A golf swing indicator including a toroidal housing frictionally receivable on a split elastomeric sleeve surrounding a golf club hosel. A battery powered internal light source is controlled by a centrifugal switch to illuminate upon swinging of the club with the illumination being upwardly directed by a back reflector behind the bulb and through an overlying multifaceted lens-type wall. The housing is invertible to upwardly expose the reflector through a second transparent wall for reception and reflection of ambient light.
    Type: Grant
    Filed: October 6, 1987
    Date of Patent: April 11, 1989
    Assignee: Swinglite, Inc.
    Inventors: Sung Y. Lee, Lloyd Nakama