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