Answer | Crossword Clue |
---|---|
NYLON | DuPont patent of 1938 |
TEFLON | 1938 DuPont invention |
NYLON | Polymer introduced by DuPont in 1938 |
Answer | Crossword Clue |
---|---|
NYLON | DuPont patent of 1938 |
TEFLON | 1938 DuPont invention |
NYLON | Polymer introduced by DuPont in 1938 |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.