4. Musical instruments
  5. Keyboard type
  6. Organ or cabinet therefor

Wm. Douglas Sellers

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Method of assembling high-performance low-torque anti-friction b

Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent

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Violin shoulder rest

Musical instruments – Keyboard type – Organ or cabinet therefor
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Profile ID: LFUS-PAI-P-858994

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