Section 1

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Across
  1. 4. An inventor who patented the telephone.
  2. 5. An American inventor and businessman who has been described as American’s greatest inventor
  3. 6. built a lightweight airplane that used a small, gas-powered engine
  4. 7. Introduced the Model T in 1908 and founder of Ford Motor Company
Down
  1. 1. A period of rapid growth in U.S. manufacturing in the late 1800s
  2. 2. exclusive rights to make or sell inventions.
  3. 3. a way to manufacture steel quickly and cheaply by blasting hot air through melted iron to quickie remove impurities.