4. Supports
  5. Easel; book, copy or music score holder

Sidney Liberfarb

Inventor

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Leverage tool for opening sticking windows

Implements or apparatus for applying pushing or pulling force – Single throw lever – Special engaging feature
Reexamination Certificate

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Non-passive copy holder with rotatable drum

Supports – Easel; book – copy or music score holder
Patent

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Profile ID: LFUS-PAI-P-1813929

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