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[Category : - Advertising methods]
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This is a double sided interchangeable portable sign that holds 20 adds plus and is easily interchangeable.
I currently have a US and Canadian utility Patent
A moisture-protected, bi-directionally viewable portable sign display having a rectangular frame with a removable side that enables configuring a plurality of indicia bearing signs and which is supported by a removable support structure that includes features to prevent moisture damage.

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