HardwareTech Black History Month: Otis F. Boykin – Credited For Inventing An Improved Electrical Resistor & More by Milicent Atieno February 18, 2014 by Milicent Atieno February 18, 2014 Black History Month: Otis F. Boykin – Credited For Inventing An Improved Electrical Resistor & More Otis…