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Reliable Security Systems, Inc.

Roy E Van Der Linden

A wood-burning stove utilizes a volatilization chamber inserted within the combustion chamber of the stove. The volatilization chamber contains a charge of wood which is heated to drive off combustible gases and vapors. The combustible gases and vapors are thereafter burned in the combustion chamber of the stove by being passed through a layer of solid fuel w hich includes a substantial amount of charcoal residue from previous volatilized wood. The heat generated by burning the volatile material is used to produce additional volatiles as well as to heat the stove.

Wood-burning stove and method for burning wood

An emergency exit door lock equipped with a delay is provided with exterior unlatching and unlocking arrangements which permit a door normally locked with respect to the outside to have a bolt which is undogged and retracted from the outside. Upon undogging the bolt from the outside, the delay is deactivated by de-energizing a solenoid which controls application of the delay.

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New Windsor, MD, United States of America

Roy E Van Der Linden