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.
Dr. Patricia Bath. We continued our unit on Black History today and were excited to learn about Dr. Patricia Bath! Dr. Bath was the first African American to receive a patent for a medical invention. She changed the world of ophthalmology when she invented the Laserphaco Probe which is used to treat cataracts. In her honor we talked about what a trip to the eye doctor may be like.