CrosswordMint
Hidden Legacies of Lost Innovations
A crossword exploring forgotten inventors and their overlooked patents that shaped history.
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Across
  • 1. Mechanical component patented by early engine inventors
  • 2. Type of rubber patented, improving durability and use
  • 3. Inventor best known for the telephone but with forgotten patents
  • 5. Forgotten pioneer of alternating current patents
  • 8. Early patent subject for neglected watercraft designs
  • 9. Generator device patented by lesser-known mechanics
  • 13. Obscure patented invention relating to controlled fire technology
Down
  • 4. Inventor who patented an early ice cream maker
  • 6. Ship design element patented by an obscure engineer
  • 7. Material patented with forgotten inventors in early composites
  • 10. Term describing 'greatest extent' in patent claims
  • 11. Lost patent ideas on telescopic innovations
  • 12. Patent concept fundamental to early document duplication
  • 14. Patented optical tools used in forgotten microscopes

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