CrosswordMint
Hidden Sparks: Lost Patents and Innovators
Explore the clues surrounding obscure inventors and their overlooked patents that shaped technology history.
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Across
  • 1. Medical device patented to support premature infants
  • 2. Firearm mechanism patented long ago but largely forgotten
  • 3. Communication technology with many forgotten patent holders
  • 5. Critical medical patent that transformed surgery
  • 7. Instrument with a patented design for precise measurement
  • 9. Early transport patent often overshadowed by locomotives
  • 10. Electrical generator patented in the early industrial era
  • 12. Patented technology involving air pressure systems
  • 15. Insulated flask with a patented invention often forgotten
  • 17. Field where many early patent inventions remain unknown
Down
  • 4. An early sound recording device with a patented design
  • 6. Patented component in early sound recording devices
  • 8. Early detection system patented yet often uncredited
  • 11. Device for recording sound patented by multiple inventors
  • 13. Simple machine with patented innovations lost in history
  • 14. Nikola Tesla's overlooked patented resonant transformer
  • 16. Patented lens technology for color correction
  • 18. Machine innovation patented by lesser-known inventors

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