An electrically operated paintball gun operable to shoot paintballs including a barrel, a trigger, and a breech connected to a rear end of the barrel, as well as a bolt movable in the breech between a rearward position and a forward shooting position. A spring biases the bolt towards the rearward position....http://www.google.fr/patents/US20020096164?utm_source=gb-gplus-shareBrevet US20020096164 - Electrically operated paintball gun
Numéro de demande: 09/753,818 Numéro de publication: US 2002/0096164 A1 Date de dépôt: 3 janv. 2001 Brevet délivré: US6516791 ( Date de délivrance 11 févr. 2003)
