4. Fluid reaction surfaces (i.e., impellers)
  5. Method of operation

Joel Donahue

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Method and apparatus for controlling windmill blade pitch

Fluid reaction surfaces (i.e. – impellers) – Method of operation
Patent

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Ride height sensing shock damper

Brakes – Internal-resistance motion retarder – Position of thrust member relative to chamber
Reexamination Certificate

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Profile ID: LFUS-PAI-P-918270

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