U.S. federal trademark · Serial No. 79379873 · Reg. No. 7717698
Scientific apparatus and instruments in the nature of material exchange and heat exchange apparatuses and instruments, namely, distillation, rectification, absorption, desorption and extraction columns for laboratory use
Apparatus for chemical processing, namely, distillation, rectification, absorption, desorption and extraction columns for industrial use and parts thereof, namely, filler bodies, bases, structured linings, and distributors; heat and material exchange devices, namely, heat exchangers and material exchangers in the nature of distillation, rectification, absorption, desorption and extraction columns for chemical processing
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