Perfect for beginners with simple, common vocabulary
Obscure Patents and Inventive Legacies is a hard crossword puzzle with 14 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Obscure Patents and Inventive Legacies
Challenging puzzle for experienced crossword solvers
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- 1. Phenomenon patented for sensing temperature changes via crystal charge
- 2. Patent pertaining to healing via specific light spectrum exposure
- 6. Device patented to separate substances using electricity and centrifugal force
- 7. Registering pressure variation using ancient atmospheric recording device
- 12. Registered principle used in fluid dynamics inventions related to rotation
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- 3. Early photographic innovation claiming plant-based sensitivity
- 4. 19th-century device for transmitting handwriting across wires
- 5. Early electronic instrument patents for sound wave combination
- 8. Mechanical device patented for creating facsimile signatures remotely
- 9. Crucial vacuum tube patented for high-frequency electromagnetic generation
- 10. Describing faint glowing phenomenon, patented illumination applications
- 11. Disused term for the study and patenting of mechanical generators
- 13. Patented lens shape producing optical illusion or focusing effect
- 14. Obscure patented mechanical combing device for textile fiber alignment
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