Who invented the toilet seat?

Wu Junhua. According to relevant public information, the patent content is provided by Intellectual Property Publishing House, including patent name, toilet seat, patent type, appearance patent and inventor, Wu Junhua. Toilet refers to a toilet, which belongs to a sanitary ware in the field of building water supply and drainage materials. The main technical feature of the toilet bowl of this utility model is that a cleaning plug is installed at the upper mouth of the S-shaped trap of the existing toilet bowl, which is similar to installing an inspection port or cleaning port on the drainage pipeline to clean the sludge. After the toilet is blocked, users can use it by themselves.