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

Frederick L. Zinck

Inventor

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Air motor reversing throttle

Fluid handling – Systems – Multi-way valve unit
Patent

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Automatic ratchet reversal device

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

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Reversible pneumatic motor assembly

Rotary expansible chamber devices – Miscellaneous
Reexamination Certificate

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Reversible ratchet head assembly

Tools – Wrench – screwdriver – or driver therefor – Machine
Reexamination Certificate

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Reversible ratchet head assembly

Tools – Wrench – screwdriver – or driver therefor – Machine
Reexamination Certificate

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Profile ID: LFUS-PAI-P-118066

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