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.
Confidence votes 13. Jack Johnson, the famed boxer, first black to become world champion boxer who was actually imprisoned for travelling across state lines with a woman (who later became his wife), invented a wrench so different from Stillson's 1870 pipe wrench it was granted a patent in 1920.