4. Metal working
  5. Method of mechanical manufacture
  6. Prime mover or fluid pump making

Michael James Hagen

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High efficiency low-pollution engine

Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Patent

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High-efficiency, low-pollution engine

Internal-combustion engines – Particular piston and enclosing cylinder construction – Cylinder head
Patent

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High-efficiency, low-pollution engine

Internal-combustion engines – Two-cycle – Whirl through piston-controlled ports
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Profile ID: LFUS-PAI-P-740923

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