A crossword exploring forgotten inventors and their overlooked patents that shaped history.
Lost Innovations and Hidden Patents
Explore the legacy of overlooked inventors and their groundbreaking patents that shaped history without recognition.
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Across
- 2. Early steam engine patent that revolutionized transport
- 5. A communication device patented by an unsung inventor
- 8. Pioneer in wireless communication with patents often contested
Down
- 1. Inventor credited with the telephone but had many disputed patents
- 3. Ancient patent term referring to original inventive ideas (historic)
- 4. Oil refining process patented by an early forgotten inventor
- 6. Inventor known for early patents in electricity, often overshadowed
- 7. Agricultural invention patented centuries ago to improve planting
- 9. Vessel powered by an engine once patented by a little-known inventor
- 10. Formula for writing fluid patented but later credited to others
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