UNT Libraries Government Documents Department - 3 Matching Results

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Fluid-Conditioning Apparatus.

Description: Patent for an air conditioning apparatus that provides "new and improved means for moistening and cooling air," including the "collection and accumulation" of the cooling fluid (lines 10-12).
Date: May 31, 1921
Creator: Lindauer, William A.

Locking Device for Motor-Vehicles.

Description: Patent for motor vehicle locking device to prevent theft or unauthorized use of motor vehicle. Suited for motor vehicles with the "throttle and spark levers below the steering wheel" (lines 18-19).
Date: May 3, 1921
Creator: Harris, Robert E.

Toupee and Wig Retainer

Description: A patent for a single-sided adhesive that holds a toupee or wig in place on the scalp without causing built-up residue to adhere to the wig.
Date: May 17, 1921
Creator: Tapscott, John Christoper
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