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Gary M. DeMasi
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Revere, MA, US
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last 30 patents
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Patent Grant
Tennis racquet with replaceable playing surface
Patent number
8,192,308
Issue date
Jun 5, 2012
Gary M. DeMasi
A63 - SPORTS GAMES AMUSEMENTS
Patents Applications
last 30 patents
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Patent Application
TENNIS RACQUET WITH REPLACEABLE PLAYING SURFACE
Publication number
20110287876
Publication date
Nov 24, 2011
Gary M. DeMasi
A63 - SPORTS GAMES AMUSEMENTS