Have all the ancient poets applied for patents?

The first patent in the history of China was weaving technology, which was applied for by Zheng and awarded by the monarch. Zheng is a representative of the early national bourgeoisie. 188 1 year, he applied to Emperor Guangxu of the Qing Dynasty for the patent of weaving technology used in Shanghai's weaving layout. 1882 was approved by the emperor for ten years.