Maktrak Accessories Patent Drawing

Does anyone know the latest on new Maktrak accessories? Saw these patent drawings for clips that attach to the sides of the boxes. Look like you can attach level, extension cord, or small storage bins

https://preview.redd.it/1jyrtuqn99ng1.png?width=949&format=png&auto=webp&s=cd2d9cb422d38f946892e7495fcc4ef0a02c7419

https://preview.redd.it/1xi69uqn99ng1.png?width=960&format=png&auto=webp&s=deec3e2d47626a3e7faed3370354549338c8b6bd