Below you will find the solution for: A man named Thompson invented the screw with a cruciform groove & matching screwdriver but a guy with this last name got the patent Jeopardy .
Since you already solved the question A man named Thompson invented the screw with a cruciform groove & matching screwdriver but a guy with this last name got the patent which had the answer PHILLIPS, you can simply go back at the main post to check the other answers. You can do so by clicking the link here Jeopardy March 03 2020
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