How to surround the copycat sellers with two invention patents?

The weirder the patent, the more successful the crowdfunding campaign!

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Unlock the Secrets of Physics Together!

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[Ant Farm] Coloring the Abdomen of the Cute Ants

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Men’s Speed Bump: Mechanical 11.9

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14 Handy Life Hacks That Actually Work!

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The old Saint Emperor returns to the ruins, Wang Lin breaks through, Wang Lin’s plan within the plan

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[DIY]The most hilarious Perpetual motion machine

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The Master of Man-Speed Bumps

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Andy Lau: Bring your broken electric fan to the court session

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A real investigation into the "Mini World" after deleting 230 elements: a big change

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Original creations get crushed by Yiwu—was the patent born at the wrong time?

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This Is a Thank-You Letter to the Court

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Field trip for intellectual property students | I uploaded a work beyond the copyright protection pe

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The Inner Mechanisms of Six Types of Machines

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These Are the Things Cars Fear Most—Did You Know?

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The product is basic, but the patent isn't.

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A comb specially designed for black people, backed by 3 invention patents

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Head to the scrap yard and build a gaming PC for just 20 yuan!

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Brother Baldy completely overhauls a construction site cart, with invention patents providing multi-

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So This Is What Germans Actually Snack On With Their Drinks!

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