| Answer | Crossword Clue |
|---|---|
| IDEA | Birth of an invention |
| IDEA | Birth of an invention. |
| IDEA | Basis of an invention |
| IDEA | Germ of an invention |
| IDEA | Start of an invention |
| IDEA | Seed of an invention |
| IDEA | Genesis of an invention |
| IDEA | Embryo of an invention |
| BRIGHTIDEA | Start of an invention |
| IDEA | The origin of an invention |
| PHONE | Use an invention of 1876. |
| IDEA | The embryo of an invention |
| IDEA | The start of an invention |
| IDEA | Step one of an invention |
| STEREO | Descendant of an Edison invention |
| IDEA | The very beginning of an invention |
| OTIS | Progenitor of an important 1857 invention |
| PATENTONICE | Result of incorrectly filling out paperwork about an invention? |
