|
| US3989027 | 16 oct. 1975 | 2 nov. 1976 | | Machine for propelling balls of various diameters |
| US3990426 | 22 juil. 1975 | 9 nov. 1976 | | Tennis ball throwing machine |
| US4027646 | 8 juin 1976 | 7 juin 1977 | Prince Manufacturing, Inc. | Propulsion device for tennis balls and like spherical objects |
| US4094294 | 31 janv. 1977 | 13 juin 1978 | | Ball projecting device |
| US4212284 | 6 avr. 1978 | 15 juil. 1980 | | Pneumatically-operated ball projecting device |
| US4273095 | 12 juil. 1979 | 16 juin 1981 | | Pneumatically-operated ball projecting device |
| US4831998 | 23 juil. 1987 | 23 mai 1989 | | Pellet dispenser |
| US4892318 | 25 juil. 1988 | 9 janv. 1990 | | Golf ball storage, dispensing and teeing apparatus |
| US5097816 | 21 août 1990 | 24 mars 1992 | | Projectile container for use with a device that selectively discharges fragile projectiles, such as paintballs, under the influence of a source of fluid pressure |
| US5735256 | 26 nov. 1996 | 7 avr. 1998 | | Ball launching device |
| US5823894 | 18 déc. 1995 | 20 oct. 1998 | | Air-actuated ball-throwing and batting method |
| US7037207 | 14 sept. 2004 | 2 mai 2006 | | Ball teeing apparatus |
| US7699048 | 9 juin 2008 | 20 avr. 2010 | Kee Action Sports I LLC | Paintball projectile drop compensator |
| US7841950 | 16 août 2005 | 30 nov. 2010 | | Products and methods for ocular enhancement and methods for conducting business thereby |
| US8037877 | 24 déc. 2008 | 18 oct. 2011 | Yao-Gwo Gan | Barrel for prohibiting paintball from dropping therefrom |
