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Published on 16 April 1931, Frank Whittle's patent for the first jet engine had what patent publication number?

Let's find possible answers to "Published on 16 April 1931, Frank Whittle's patent for the first jet engine had what patent publication number?" crossword clue. First of all, we will look for a few extra hints for this entry: Published on 16 April 1931, Frank Whittle's patent for the first jet engine had what patent publication number?. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.