U.S. federal trademark · Serial No. 87693621 · Reg. No. TMA1042216
(Based on 44(e)) (Based on Use in Commerce) Self-contained heat exchange systems for connecting to a building wastewater stream to recover heat from the wastewater and reuse it to provide hot water pre-heating and space conditioning, heating and cooling in the building
(Based on 44(e)) Installation of heat exchange systems for connecting to a building wastewater stream to recover heat from the wastewater and reuse it to provide hot water pre-heating and space conditioning, heating and cooling in the building; consulting relating thereto
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