4. Internal-combustion engines
  5. Accessories
  6. Covers, trays, vibrators, corrosion inhibitors, air filters

David L. Zwart

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Active air intake for an engine

Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Reexamination Certificate

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Cylinder deactivation for a motorcycle engine

Interrelated power delivery controls – including engine control – Clutch control – Engine controlled by clutch control
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2424192

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