>>4203295GPS Technology - Dr. Gladys West
Refrigerator (Improved Icebox Design) - John Standard
Traffic Signal - Garrett Morgan
Agricultural Innovation - George Washington Carver
Air Conditioning & Refrigerated Transport - Frederick McKinley Jones
Railway Communication Systems - Granville T. Woods
Ironing Board - Sarah Boone
Lawn Mower - John A. Burr
Elevator Door System - Alexander Miles
Programmable Remote Controllers - Joseph N. Jackson
Helicopter Innovations - Paul E. Williams