How many patents was Marie Curie granted?
seven
two
one
none
Marie and Peter Curie refrained from patenting their newly developed methods to let the humanity benefit from these inventions.
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Answers by country
seven
two
one
none
answers

23

53

10

48

24

14

7646

181

121

15

36

344

15

67

423

19

24

10

46