Perfect for beginners with simple, common vocabulary
Innovation Echoes: Lost Patent Legends is a medium crossword puzzle with 13 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
Innovation Echoes: Lost Patent Legends
Moderate difficulty suitable for most players
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Across
- 1. Electrical resonant transformer circuit by a forgotten genius
- 2. Early signaling invention protecting sailors at night
- 3. Material revolutionized by patents in the industrial revolution
- 4. Type of system powering early machinery and tools
- 5. Inventor of an early external combustion engine
- 7. Widely important invention whose early patents are less remembered
- 9. Exclusive legal right granted for an invention
- 11. Unusual patent involving a mechanical assistant at hotels
Down
- 6. Instrument to measure wind, often overlooked in patent history
- 8. Machine generating electricity, overshadowed despite importance
- 10. Medieval helmet design patented centuries ago
- 12. An early patented speaking machine’s output mode
- 13. Simple mechanical device often cited in early patent disputes
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