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  1. Search for patents | USPTO - United States Patent and Trademark Office

  2. Official Gazette for Patents | USPTO - United States Patent and ...

  3. Patent Public Search | USPTO - United States Patent and Trademark Office

  4. Google Patents

  5. United States Patent and Trademark Office - Wikipedia

  6. Patent Public Search | USPTO - extended window - United States Patent ...

  7. FTC Expands Patent Listing Challenges, Targeting More Than 300 …

  8. Tonix Pharmaceuticals Announces Issuance of U.S. Patent by the …

  9. How do I know if a patent is pending or granted?