Benjamin Montgomery, Slave Inventor

1819-1877 Inventor: *Steamboat Propeller. Status: Slave “…a machine invented by a slave, though it be new and useful, cannot, in the present state of the law, be patented. I may add that if such patent were issued to the master, it would not protect him in the courts against persons who might infringe it.” –Attorney … Continue reading Benjamin Montgomery, Slave Inventor