Are zipstring products patented?

Patents. According to relevant public information, zipstring products have been patented in the United States. ZipString toy is a unique toy that can help people relieve physical and mental stress and provide a very interesting experience. Invention patent: refers to a new technical proposal for a product, method or its improvement, which gives the invention the exclusive right to manufacture, use, license and sell in a specific field, and the validity period is generally 20 years.