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Across
  1. 1. Levi Strauss's invention
  2. 3. Wheel first seen in Chicago
  3. 6. Rodent catcher
  4. 8. Non-stick coating
  5. 10. Moving staircase
  6. 11. Instant camera
  7. 13. Winter ear protectors
  8. 15. Magnifying instrument
  9. 17. Grill for outdoor cooking
  10. 19. Sticky note
  11. 22. Guitar amplified music
  12. 23. Bulletproof fabric
  13. 25. Safety version invention
Down
  1. 2. Iconic cowboy hat
  2. 4. Personal transporter
  3. 5. Temperature controller
  4. 7. Cooling invention
  5. 9. Airship innovation
  6. 12. Laundry machine
  7. 14. Pen first patented
  8. 16. Office tool
  9. 18. Window cleaning tool
  10. 20. Kitchen mixing device
  11. 21. Flying disc
  12. 24. Tomato-based condiment