UNT Libraries Government Documents Department - 5 Matching Results

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Alarm System: Patent for a fire alarm system which activates when a certain temperature is detected by the device.
Churn.: Patent for a churn with a power motor.
Doffer.: Patent for a doffer for removing cotton lint from gin saw blades, which does not harm the saws and is very sturdy.
Fumigator.: Patent for a fumigator for driving out flies or mosquitoes from rooms with kerosene gas.
Portable Convict-Cage.: Patent for a portable convict cage for housing prisoners while out in work gangs, which is on wheels, is difficult to attack or leave, and provides numerous cots inside.