A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 37/02 (2006.01) A63B 37/08 (2006.01)
Patent
CA 2162814
A sport ball for use as a puck in roller hockey or street hockey has a substantially smooth spherical outer surface and a substantially smooth inner surface. The hollow interior is filled to 10 to 25% with a liquid, such as water.
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