4. Electric power conversion systems
  5. Current conversion
  6. With means to introduce or eliminate frequency components

John R. Grabowski

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Controlling spark for an engine with controllable valves

Internal-combustion engines – High tension ignition system – Responsive to engine or environmental condition
Reexamination Certificate

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Controlling spark for an engine with controllable valves

Internal-combustion engines – High tension ignition system – Responsive to engine or environmental condition
Reexamination Certificate

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Current-mode hysteresis control for controlling a motor

Electricity: motive power systems – Induction motor systems – Primary circuit control
Patent

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Engine position correction

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Reexamination Certificate

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Gaseous fuel management system for automotive vehicle

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1093128

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