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Canadian Patents

Benzo¬4,5| cyclohepta ¬1,2,3-de| pyrido ¬2, 1-a| -...

C - Chemistry – Metallurgy – 07 – D

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

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Manufacturing base and used to stop/slow down rivals

Serves only patent trolls

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