Patents Assigned to Dolcofin Ltd.
  • Golf ball flight indicating device
    Patent number: 4119318
    Abstract: A golf swing training device comprises a slide guide track and a slide mounted slidably along the track. The slide carries a friction engagement means which grip a portion of the slide guide track therebetween, to provide frictional resistance to the sliding movement of the slide. The slide has means for connection to a golf ball, striking the golf ball producing controlled sliding movement of the slide along the track.
    Type: Grant
    Filed: April 27, 1977
    Date of Patent: October 10, 1978
    Assignee: Dolcofin Ltd.
    Inventors: Mily de Kremer, Peter DE Kremer