In 1920, Hans Pohlig and Ernst Gottschall patented something involving a spring. What was it?
We’ve given you their surnames for a reason.
The first new player to comment with the correct answer wins a free drink at their next iQ Trivia show.
2 thoughts on “Interesting Question of the Day – 10 July 2015”
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PoGo stick. (Using the first 2 letters of their surnames)
It’s considerably catchier than their patented name of “spring end hopping stilt”.