In 1936 George Nissen developed which item of sports equipment that still bears his name?
in 1936 george nissen developed which item of sports equipment that still bears his name
FreebaseQA-train-8020.P0 FreebaseQA-train-8020.P1
george nissen george nissen
george nissen george nissen
m.05qw06 m.05qw06
base.argumentmaps.innovator.original_ideas law.inventor.inventions
m.02_444
trampoline
m.02_444
trampoline