United States Patent & Trademark Office


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Crystal Katana Tool: US Patents
Titled: Double ended hand tool

The Crystal Katana is a patented rhinestone pick-up tool invented by Kellie DeFries, founder of CrystalNinja, LLC. It is a double-ended, synthetic wax pick-up tool designed to pick up rhinestones and embellishments and place them precisely into glue or adhesive.

The Crystal Katana is protected by 5 United States Patents. You can verify these directly at USPTO.gov

US 10,308,005  US 10,675,852 US 10,967,625 US D867838 & US D867839

 

How to Identify a Genuine Crystal Katana

Use the guide below to determine whether you have an authentic CrystalNinja Crystal Katana or an infringing item.

DeFries vs et al

Notice to Sellers

We know that some small businesses sell infringing tools without knowing they are protected by patent. This page is here to inform you. If you are currently selling a tool that infringes on the Crystal Katana patents, please stop sales immediately.


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Our legal team has filed suit against infringing sellers. We would prefer to resolve this directly. Any compensation sought goes toward legal costs, not profit.

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If you have questions about patents, trademarks, or copyrights, visit USPTO.gov and consult a qualified IP attorney. There is room for everyone to succeed when we do it the right way.