Invention Grant
US07789080B2 Underwater target game apparatus 失效
水下目标游戏机

Underwater target game apparatus
Abstract:
An underwater target game apparatus includes a submersible propelling structure and a projectile to be launched by the submersible propelling structure. The projectile includes an elongated shaft portion and a head portion. The projectile has a specific gravity of approximately 1.0.
Public/Granted literature
Information query
Patent Agency Ranking
0/0