Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Projectile backstop
Patent
1992-02-03
1993-10-26
Grieb, William H.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Projectile backstop
209158, F41J 114
Patent
active
052559246
ABSTRACT:
A contaminant recovery system for a rifle range having an upstanding retaining wall which serves as a rear wall for the range. A sloped berm is located in front of the rear wall and serves as a target backstop. Drainage means are provided for collecting and diverting water which passes through the berm and for recovering contaminants in the water. A base wall may be located beneath the sloped berm which abuts the retaining wall
REFERENCES:
patent: 4728109 (1988-03-01), Simonetti
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