U.S. federal trademark · Serial No. 90764781
design, engineering and development of co-generation machines and biogas digester machines for generating electricity; co-generation and biogas facility design services for others in the field of renewable energy production from cogeneration machines and biogas digesters; Research and development in the field of renewable energy production from cogeneration machines and biogas digesters; Research and development in the field of processed gas energy storage; technical planning and consulting services in the fields of renewable energy sources, biogas, natural gas and cogeneration
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