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 |