yayyyy

12345678
Across
  1. 3. made the first flying machine
  2. 5. To get rid of
  3. 7. did not rely on other businesses for steel; he got involved in every aspect
  4. 8. to make different
Down
  1. 1. invention factory at Menlo Park NJ light bulb and hundreds more inventions
  2. 2. a document giving someone the sole right to make and sell an invention/product
  3. 4. made one of the first telephones
  4. 6. free from impurities