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US 2776139

How the Wiffle Ball Design Works

A 1954 patent for a lightweight, perforated plastic ball designed to curve easily when thrown, famously known as the Wiffle ball.

Statusexpired

Granted1957

Expires1974

Claims0

Forward citations43

Prior art5

AssigneeIndividual

InventorsDavid N Mullany, Jr William F Blamey

Patent B

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