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US Patents

Staggered die method and apparatus for necking containers

Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging

Patent

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Bloory idea and bloory practical use

Very broad patent, without practical use

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Patented to preserve knowledge

Defensive patent

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Manufacturing base and used to stop/slow down rivals

Serves only patent trolls

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