4. Brakes
  5. Vehicle
  6. Railway

World Wide Oil Tools, Inc.

Corporate Assignee

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Hydraulic fill valve

Measuring and testing – With fluid pressure – Pipe
Patent

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Pawl and ratchet mechanism

Brakes – Vehicle – Railway
Patent

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Pipe gripping vise

Work holders – Relatively movable jaws – Three coacting work grippers
Patent

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Power tong apparatus for making and breaking connections between

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

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Profile ID: LFUS-PAI-P-474213

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