4. Fluid reaction surfaces (i.e., impellers)
  5. Combined or convertible
  6. Hub lubrication or seal

Martin Hupfl

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Apparatus for supporting plantlife growing in a ground area

Plant husbandry – Plant supports – Vertical
Patent

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Automatic cleaning system for a ceiling fan blade

Fluid reaction surfaces (i.e. – impellers) – Combined or convertible – Hub lubrication or seal
Patent

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Profile ID: LFUS-PAI-P-1609395

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