A targeting fixture allows for x-y movement of a targeting fixture with respect to a grid template. The targeting fixture includes a cradle unit, which accepts a seed implanting device. The cradle unit is hingedly connected to a housing surrounding the grid template. The housing is capable of x-y movement...http://www.google.fr/patents/US6540656?utm_source=gb-gplus-shareBrevet US6540656 - Targeting fixture for a grid template
