| Answer | Crossword Clue |
|---|---|
| MASONJAR | Invention patented in 1858 |
| MASONJAR | Wide-mouthed item patented in 1858 |
| RUBBERBAND | Invention first patented in 1845 |
| WIPERS | Road safety invention patented by Mary Anderson in 1905 |
| COTTONGIN | Invention patented on March 14, 1794 |
| PAPERCLIP | Invention with numerous designs, the most popular of which was never patented |
