4. Education and demonstration
  5. Organized armed or unarmed conflict or shooting

Erwin C. Treat, Jr.

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Electronically controlled weapons range with return fire

Education and demonstration – Organized armed or unarmed conflict or shooting
Patent

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Simulated weapon with gas cartridge

Education and demonstration – Organized armed or unarmed conflict or shooting – Gunnery
Patent

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Simulator and practice method

Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent

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Profile ID: LFUS-PAI-P-1470494

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