Amusement devices: games – Problem eliciting response
Patent
1990-11-26
1996-02-13
Shapiro, Paul E.
Amusement devices: games
Problem eliciting response
A63B 6508
Patent
active
054906784
ABSTRACT:
Boomerang throwable by left-handed or right-handed persons to return to the thrower is homogeneous and includes plurality of arms extending radially from a central portion with each of the arms having leading and trailing edges symmetrical about respective radial axes of the arms.
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