Patents Assigned to Caswell Equipment Co.
  • Ventilation method and system for protecting shooters from pollutants
    Patent number: 4114521
    Abstract: An improved ventilation method and ventilation system for shooting ranges in which the conventional ventilation system of the shooting range is supplemented by the addition of air in the shooting stall intermediate the shooter's face and weapon. Preferably, the direction of the supplemental air flow is at an angle to the shooter and toward the target area to remove contaminants away from the shooting stall and downrange of the shooter.
    Type: Grant
    Filed: September 8, 1977
    Date of Patent: September 19, 1978
    Assignee: Caswell Equipment Co.
    Inventor: Theodore N. Busch