4. Tools
  5. Wrench, screwdriver, or driver therefor
  6. Machine

James A. Stein

Inventor

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Clamp for bicycle crank bearing wrench

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Grease injector for bicycle crank bearings

Bearings – Rotary bearing – Antifriction bearing
Patent

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Thrust support for bicycle seats

Chairs and seats – Straddle seat
Patent

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Profile ID: LFUS-PAI-P-663301

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