4. Electricity: electrical systems and devices
  5. Electrical speed signal processing systems

Edward E. Lafever

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Metering valve stem seal

Internal-combustion engines – Valve – Valve head cooperates with manifold
Patent

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Motion detecting signal source

Electricity: electrical systems and devices – Electrical speed signal processing systems
Patent

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Oil consumption measurement system for internal combustion engin

Lubrication – Systems – With safety or indicating means
Patent

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Unitary molded plastic valve seal

Internal-combustion engines – Valve – Valve head cooperates with manifold
Patent

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Profile ID: LFUS-PAI-P-769877

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