4. Machine element or mechanism
  5. Control lever and linkage systems
  6. Elements

William W. Entzminger

Inventor

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Variable fulcrum rocker arm

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate

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Variable ratio lever arm mechanism

Machine element or mechanism – Control lever and linkage systems – Elements
Patent

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Variable ratio lever arm mechanism

Machine element or mechanism – Control lever and linkage systems – Elements
Patent

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Profile ID: LFUS-PAI-P-1007561

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