Below you can find the Stephanie l. kwolek invented this material used for bulletproof vests Jeopardy Words Answer. The answer to Stephanie l. kwolek invented this material used for bulletproof vests has 6 letters. This clue belongs to the Mothers of invention category and is part of Jeopardy Word Level 1979. If you scroll near the bottom you will find other clues and answers part of level 1979