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tda excels at finding novel solutions to your greatest challenges. optimize your resources by outsourcing difficult r&d problems to tda. tda has a lengthy list of developed products that are available for licensing.. developing cutting edge chemical processes, materials and hardware for customers in the defense, aerospace, energy and chemical. u.s. patent no. 9,597,532 breathing apparatus, and method for controlling temperature fluctuations awarded. a wearable breathing apparatus includes a thermal capacitor that a user inhales and exhales through. inhaled air is cooled as it pas*es through the thermal capacitor, and exhaled air cools the material of the thermal capacitor for the next breathing cycle. the breathing apparatus may be used by a firefighter, for example, as a lightweight apparatus to enable the firefighter to safely breathe dangerously heated air, for example, while in a fire shelter, that may otherwise cause injury to the user. the breathing apparatus advantageously does not require external power for cooling. the thermal capacitor may also be used as a part of a rebreather that uses a scrubber that removes carbon dioxide from exhaled air, for rebreathing. further, the thermal capacitor may be used for other purposes, such as in recirculation of u.s. patent no. 9,635,889 cooling garments awarded. the present invention relates to a cooling garment, comprising: a moisture-wicking under layer; and an impermeable outer layer, wherein the impermeable outer layer is attached to the moisture-wicking under layer forming at least one channel within the garment having a wetted perimeter of at most 5 inches; and an above ambient pressure gas supply operably attached to the channel. the present invention also relates to the cooling shirt or vest garment, comprising: a moisture-wicking under layer and an impermeable outer layer, wherein the outer layer is attached to the under layer forming a plurality of. u.s. patent no. 9,476,159 non-destructive evaluation of functional fabrics awarded.