Rear overhang in excess of 4 feet is required to. display a 18-inch-square red flag for daytime. travel and clearance lights during nighttime. travel. Loads shall not extend more than. 14 feet beyond the rear of the bed or body of. the vehicle.
Patricia Bath's patent (no. 4,744,360), a method for removing cataract lenses, transformed eye surgery, using a laser device making the procedure more accurate. Patricia Bath patentPatricia Bath s passionate dedication to the treatment and prevention of blindness led her to develop the Cataract Laserphaco Probe.
Marie Van Brittan Brown was an African-American woman who invented the security system. She and her husband, Albert, created a system for a motorized camera to show images on a monitor. They applied for a patent in 1966 and it was granted i... Marie Van Brittan Brown was an African-American inventor. Born October 30, 1922 - Died February 2, 1999 Queens, New York. back in 1966 the idea for a home surveillance device seemed almost unthinkable.