Black Inventions

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Across
  1. 2. invented super soaker
  2. 5. invented Traffic signal and gas mask
  3. 6. preformed open heart sugrey
  4. 9. invented computer devices
  5. 10. invented answering machine
  6. 11. invented automatic
  7. 12. invented potato chips
  8. 14. invented techniques for blood storage
Down
  1. 1. inventede Street postal mailbox
  2. 2. pioner in the feild of syntic chemistery
  3. 3. invented Heating installations
  4. 4. invented Black hair products
  5. 7. Improved light bulb
  6. 8. invented the almanca
  7. 13. invented automatic lubriacator