Invention
An invention is a new configuration, composition of matter, device, or process. Some inventions are based on pre-existing models or ideas. Other inventions are radical breakthroughs which may extend the boundaries of human knowledge or experience.
African American Inventors
- Virgie Ammons : Invented a device for dampening fireplaces
- James A. Bauer: He invented the coin changer.
- Edmond Berger: Invented early spark plug
- Marie Brown: Invented video home security system