Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Joon Bu Park0
Date of Patent
October 1, 2024
0Patent Application Number
175814280
Date Filed
January 21, 2022
0Patent Citations
Patent Primary Examiner
Patent abstract
A ski includes an elongated ski body having a bottom layer defining a bottom surface of the ski, a top layer defining a top surface of the ski, and a middle layer disposed between the bottom layer and the top layer, in which the middle layer includes a negative Poisson's ratio (NPR) foam material having a Poisson's ratio of between 0 and −1.
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