4. Boots, shoes, and leggings

Robert J. Valek

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Digital circuitry for spark timing and exhaust gas recirculation

Boots – shoes – and leggings
Patent

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Dual slide switch voltage encoder

Communications: electrical – Audible indication – Percussion-type sound producer
Patent

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Electronic ignition timing system using digital rate multiplicat

Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
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Profile ID: LFUS-PAI-P-491152

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