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Jeffrey F. Klein

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Automatic, pressure responsive air intake valve for internal...

Internal-combustion engines – Valve – Reciprocating valve
Reexamination Certificate

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Forced coaxially ventilated two stroke power plant

Internal-combustion engines – Two-cycle – Pump and cylinder adjacent
Reexamination Certificate

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Pneumatically actuated valve for internal combustion engines

Internal-combustion engines – Poppet valve operating mechanism – Pneumatic system
Reexamination Certificate

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Self-cleaning internal combustion engine intake valve

Internal-combustion engines – Four-cycle – Engine cylinder having a reciprocating sleeve valve
Reexamination Certificate

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Spinnaker pole and dip pole jibing system using same

Ships – Spars
Patent

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Profile ID: LFUS-PAI-P-1747190

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