U.S. federal trademark · Serial No. 85457435 · Reg. No. 4444347
Electrical controllers for systems for blending two gases, especially air and a hydrocarbon based gas; Electrical controllers for valves for throttling or restricting the flow of gas; Automatic control valves for throttling or restricting the flow of gas; Software for controlling systems for blending two gases, especially air and a hydrocarbon based gas; Software for controlling valves for throttling or restricting the flow of gas
Systems for blending two gases, especially air and a hydrocarbon based gas, comprised of gas blending machines; Valves being parts of machines for throttling or restricting the flow of gas
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