Patents Assigned to Abel Calderon
  • Patent number: 4183523
    Abstract: An accessory for billiard shooting is disclosed. The accessory comprises a planar element that is oriented and positioned on the billiard table playing surface. It includes marks for positioning a number of billiard ball at desired positions on the playing surface of the table. The cue ball is then put on the playing surface and driven by the cue into striking contact with the other balls, driving them into a plurality of predetermined pockets. Different "trick" shots can be performed by using differently constructed planar members.
    Type: Grant
    Filed: June 9, 1977
    Date of Patent: January 15, 1980
    Assignee: Abel Calderon
    Inventor: Montague J. Hecht