On this date in 1961, an African American man patented an electronic resistor. His name was Otis Boykin, a black electronic scientist, inventor, and designer. He is best known for his invention of the heart pacemaker. He issued the resistor with patent number 2,972,726. The electronic resistor is used in many radios, computers, televisions and other electronically controlled devises.Reference:Created Equal The Lives and Ideas of Black American InnovatorsBy James Michael BrodieCopyright 1993, by Bill Adler Books, Inc.William Morrow and Co. Inc., New YorkISBN 0-688-11536-5