4. Pipes and tubular conduits
  5. Reinforced
  6. With embedded element

Robert C. Buttner

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Flexible pipe gasket

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Flexible seal

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Reinforcing system for concrete pipe

Pipes and tubular conduits – Reinforced – With embedded element
Patent

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Step driver

Elongated-member-driving apparatus – With interlock means
Patent

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Profile ID: LFUS-PAI-P-791353

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