Method and apparatus for manufacturing watertight, corrugated metal pipes from a strip of metal sheet, and watertight, corrugated metal pipe manufactured by such method
- Application ID: EP13005356
- Status: █ PATENT GRANTED
This EP application has the IPC class B21 (MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL). Modiano & Partners, Modiano & Partners is specialised in B21 (MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL). Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.
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