4. Electricity: motive power systems
  5. Motor-reversing

Patrick Allen Quinn

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Capacitor-coupled level shifter with duty-cycle independence

Electronic digital logic circuitry – Interface – Supply voltage level shifting
Reexamination Certificate

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Signaling techniques for DC track powered model railroads

Electricity: motive power systems – Motor-reversing
Reissue Patent

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Profile ID: LFUS-PAI-P-2307516

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