inventions in 20th century

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Across
  1. 3. William Kellogg invented them
  2. 4. Jack Kilby and Robert Noyce both invented it in 1959
  3. 7. most popular kind of doll
  4. 9. game invented by Arthur Wynne. you're playing it now
Down
  1. 1. it is invented by Count Ferdinand von Zeppelin.
  2. 2. The first handheld thing that doe's some simple math for you.
  3. 5. edward Binney and Harold Smith in 1903 invented specific kind of drawing tools
  4. 6. alcohol that was now made for the first time canned.
  5. 8. Charles Strite invented a thing that cooks your bread.