I have collected a few of these.
6,722,108 Coupon inserting apparatus
6,609,511 Conveyor feed apparatus for a paintball gun
6,467,473 Paintball feeder system
6,488,019 Feeder for a paintball gun
6,305,941 Training weapon with trigger actuated indicator light
6,305,367 Hopper feeder
6,226,915 Forward angled grip for hand-held weapons and the like
6,024,077 Pressure regulating system for compressed gas powered weapons or the like
5,993,215 Training weapon with trigger actuated indicator light
5,941,053 Coupon inserting apparatus and method
5,913,303 Trigger mechanism for compressed gas powered weapons or the like
5,784,861 Coupon inserting apparatus and method
5,704,342 Compressed gas gun with pressure control arrangement
5,639,526 Paintball
5,588,280 Coupon inserting apparatus and method
5,280,778 Semi-automatic firing compressed gas gun
5,254,379 Paintball
5,079,901 Coupon inserting apparatus and method
2363188 Paintball feeder GB patent
6,722,108 Coupon inserting apparatus
6,609,511 Conveyor feed apparatus for a paintball gun
6,467,473 Paintball feeder system
6,488,019 Feeder for a paintball gun
6,305,941 Training weapon with trigger actuated indicator light
6,305,367 Hopper feeder
6,226,915 Forward angled grip for hand-held weapons and the like
6,024,077 Pressure regulating system for compressed gas powered weapons or the like
5,993,215 Training weapon with trigger actuated indicator light
5,941,053 Coupon inserting apparatus and method
5,913,303 Trigger mechanism for compressed gas powered weapons or the like
5,784,861 Coupon inserting apparatus and method
5,704,342 Compressed gas gun with pressure control arrangement
5,639,526 Paintball
5,588,280 Coupon inserting apparatus and method
5,280,778 Semi-automatic firing compressed gas gun
5,254,379 Paintball
5,079,901 Coupon inserting apparatus and method
2363188 Paintball feeder GB patent