4. Pipe joints or couplings
  5. Having plural independent paths
  6. For concentric tubes or pipes

James C. Betz

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Hose-in-hose coupler

Pipe joints or couplings – Having plural independent paths – For concentric tubes or pipes
Reexamination Certificate

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Hose-in-hose coupler with longitudinally shiftable sleeve

Pipe joints or couplings – Having plural independent paths – For concentric tubes or pipes
Reexamination Certificate

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Hose-in-hose coupler with longitudinally shiftable sleeve

Pipe joints or couplings – Having plural independent paths – For concentric tubes or pipes
Reexamination Certificate

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Threaded hose-in-hose coupler

Pipe joints or couplings – Having plural independent paths – For concentric tubes or pipes
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2718797

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