Invention Grant
US09039422B2 Dry-erase board with inserts 有权
带有插件的干擦板

Dry-erase board with inserts
Abstract:
A new design for a dry-erase board allows for writing on a clear top surface or a second surface under the clear top surface. The dry-erase board includes an insert positioned between the clear top surface and a second surface, the insert being protected by the clear top surface
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