4. Pumps
  5. Expansible chamber type
  6. Plural pumping chambers

James D. Fox

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Automatic crimper and crimping die

Metal deforming – By three or more coacting relatively movable tools – Concurrently actuated tools
Patent

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Automatic crimper and crimping die

Metal deforming – By three or more coacting relatively movable tools – Concurrently actuated tools
Patent

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Button fastener

Envelopes – wrappers – and paperboard boxes – Paperboard box – With closure for an access opening
Patent

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Downhole pump of constant differential hydraulic pressure

Pumps – Expansible chamber type – Plural pumping chambers
Patent

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Fluid coupling and method of making same

Pipe joints or couplings – Essential catch
Patent

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Profile ID: LFUS-PAI-P-801750

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