4. Bearings
  5. Rotary bearing
  6. Antifriction bearing

Douglas Chiang

Inventor

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Bicycle axle

Bearings – Rotary bearing – Antifriction bearing
Patent

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Bicycle brake assembly

Brakes – Vehicle – Velocipede
Patent

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Bicycle crank

Transportation – Cycle or motorcycle – Element or attachment
Design Patent

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Bicycle crank

Transportation – Cycle or motorcycle – Element or attachment
Design Patent

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Bicycle crank arm

Machine element or mechanism – Elements – Cranks and pedals
Reexamination Certificate

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Profile ID: LFUS-PAI-P-878529

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