4. Pipe joints or couplings
  5. Ball and socket

Francis Berthon

Inventor

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Ball and socket joint for the waterproof assembly of two pipe el

Pipe joints or couplings – Ball and socket
Patent

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Closing device

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or...
Reexamination Certificate

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Closure device

Road structure – process – or apparatus – Pavement – Vault cover-closure
Reexamination Certificate

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Road network device with articulated cover

Road structure – process – or apparatus – Pavement – Vault cover-closure
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1152528

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