4. Pipe joints or couplings
  5. Essential catch
  6. Leaf spring

Prinsco, Inc.

Corporate Assignee

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Bidirectional corrugated pipe-rib seal

Pipe joints or couplings – Packed – Sleeve
Patent

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Corrugation saddle gasket

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Design Patent

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Fluid-tight coupling system for corrugated pipe

Pipe joints or couplings – Packed – Socket
Reexamination Certificate

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Large diameter corrugated plastic pipe

Pipe joints or couplings – Essential catch – Leaf spring
Patent

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Pipe rib gasket

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Design Patent

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Profile ID: LFUS-PAI-P-981863

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