4. Pipe joints or couplings
  5. Movable jaw

Donald W. Wartluft

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Combined plastic pipe coupler and end plug

Pipe joints or couplings – Particular interface
Patent

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Insertion sleeve and stiffener for a pipe coupling

Pipe joints or couplings – Nonmetal to metal – Internal member
Reexamination Certificate

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Pipe coupler device

Pipe joints or couplings – Movable jaw
Patent

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Plastic pipe coupler

Pipe joints or couplings – Movable jaw – Wedge bushing
Patent

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Plastic pipe coupler with internal sealer

Pipe joints or couplings – Particular interface
Patent

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Profile ID: LFUS-PAI-P-564475

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