Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 16, 2021
Patent Application Number
16884293
Date Filed
May 27, 2020
Patent Citations Received
Patent Primary Examiner
Patent abstract
A layer board is provided for being disposed on a cart, the cart includes a plurality of columns and a plurality of roller assemblies, the layer board has at least one assembly unit, and the assembly unit is a shared structure which can be engaged with one said column or one said roller assembly. The cart having the layer board is further provided.
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