REGISTER now for FREE 
|
FREE patent keyword monitoring and additional FREE benefits. REGISTER now for FREE
|
|
|
Games Using Tangible Projectile > Projectile, Per Se; Part Thereof Or Accessory Therefor > Having Solid Core Within Outer Cover; Core Or Cover Therefor (e.g., Baseball, Etc) > And Having Intermediate Layer Between Core And Cover Or Having Core Or Cover Composed Of Plural Layers > Having Plural Intermediate Layers, At Least One Being Of Material Diverse From Material Of Core, Cover, Or Another Intermediate Layer; Or Having Core Or Cover Composed Of Three Or More Layers, At Least Two Being Of Diverse Materials Having Plural Intermediate Layers, At Least One Being Of Material Diverse From Material Of Core, Cover, Or Another Intermediate Layer; Or Having Core Or Cover Composed Of Three Or More Layers, At Least Two Being Of Diverse MaterialsHaving Plural Intermediate Layers, At Least One Being Of Material Diverse From Material Of Core, Cover, Or Another Intermediate Layer; Or Having Core Or Cover Composed Of Three Or More Layers, At Least Two Being Of Diverse Materials patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.09/15/05 - 20050202911 - Wet-proof ball structure A water-proof ball structure comprises a ball core; at least two water-proof elastic bags enclosing the ball core; each water-proof elastic bag having at least one opening, the openings of the at least two water-proof elastic bags being not overlapped; and a cover enclosing the at least two water-proof elastic ... ### FreshPatents.com Support |