Miriam Benjamin received U.S. patent no. 1,249,000 for her Sole for Footwear. This invention was designed to help with temperature regulation in the foot.

Lyde Wilson Benjamin, Miriam's brother, received U.S. patent no. 497,747 for an improvement on "Broom Moisteners and Bridles."

Edgar Pinkerton Benjamin, Miriam's brother, received U.S. patent no. 475,749 for a "Trousers-Shield," or bicycle clip.

Miriam Benjamin received U.S. Patent No. 386,242 for her invention, the Gong and Signal Chair for Hotels. This marked a significant achievement, making her the second African-American woman to receive a patent. The invention was designed to improve service in hotels and potentially other settings by allowing patrons to discreetly signal for assistance.