U.S. federal trademark · Serial No. 77842166 · Reg. No. 3888246
Natural gas fuel modulation system, such system also being useful as a diagnostic tool for non-automotive natural gas fired internal combustion engines, comprising motor-actuated fuel valves for non-automotive natural gas fired internal combustion engines, fuel control modules for adjusting fuel flow to non-automotive natural gas fired internal combustion engine cylinders, and manifold pressure sensors for non-automotive natural gas fired internal combustion engines
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