Black Inventors
Across
- 3. - Super soaker water gun inventor.
- 4. - Movie projector technology innovator.
- 5. - Traffic light synchronization system.
- 7. - Improved lightbulb filament technology.
- 8. - Automatic lubrication system creator.
- 9. - Sugar refining evaporator pioneer.
- 10. - Fire extinguisher automatic sprinkler system.
- 13. - Haircare and beauty products entrepreneur.
Down
- 1. - Inventive educator and scientist.
- 2. - Mobile refrigeration unit creator.
- 5. - Agricultural scientist and inventor.
- 6. - Portable hairdryer innovator.
- 10. - Traffic signal and gas mask innovator.
- 11. - Improved modern dry cleaning process.
- 12. - Gas mask with a breathing apparatus.