«Basic Word Search». United States Patent and Trademark Office. Archivado desde el original el 13 de abril de 2023. Consultado el 6 de junio de 2023. Note: Perform a "Basic Word Search" for the term "Liquid Death", and select serial number "87518674" from the results.
«Basic Word Search». United States Patent and Trademark Office. Archivado desde el original el 13 de abril de 2023. Consultado el 6 de junio de 2023. Note: Perform a "Basic Word Search" for the term "Liquid Death", and select serial number "87518674" from the results.