4. Internal-combustion engines
  5. Cooling
  6. With cooling of additional parts or materials

Douglas A. Doers

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Internal combustion engine

Internal-combustion engines – Cooling – With jacketed head and/or cylinder
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Internal combustion engine

Internal-combustion engines – Cooling – With jacketed head and/or cylinder
Reexamination Certificate

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Internal combustion engine

Internal-combustion engines – Cooling – With cooling of additional parts or materials
Reexamination Certificate

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Internal combustion engine

Internal-combustion engines – Cooling – With jacketed head and/or cylinder
Reissue Patent

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Lubricant-cooled and wristpin lubricating piston

Expansible chamber devices – With lubricating means – Piston has lubricant retaining or conducting means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2573618

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