U.S. federal trademark · Serial No. 88798042 · Reg. No. 20/4615187
Installations for producing, distributing, separating, purifying and liquefying gas, namely, biogas upgrading units comprised primarily of one or more of the following pieces of equipment, namely, pressure swing adsorption equipment, temperature swing adsorption equipment, distillation equipment, for the recovery, purification and upgrading of gases in industrial applications
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