Answer:
The world of invention is famous for its patent disputes. But what happens when your dispute wasn’t with another inventor but whether the Patent Office saw you as a person at all? In 1864, a black man named Benjamin T. Montgomery tried to patent his new propeller for steamboats. The Patent Office said that he wasn’t allowed to patent his invention.
Explanation: Tried my hardest to find a reasonable answer for you man this is all I got.
