Garrett A Morgan Traffic Light Patent
By Mary Bellis, About.com Guide
After witnessing a collision between an automobile and a horse-drawn carriage, Garrett Morgan took his turn at inventing a traffic signal.
Garrett A Morgan Traffic Light Patent
USPTOInventive Thinking and Creativity
Inventive Thinking and Creativity: Introduction & Activities Enrichment: Stories about Great Thinkers and InventorsForms to Print Out and Use with Activities
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