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US 11,593,576 B1Granted
Scratch-off design for tamper identification
AssigneeTouchcode Holdings, LLC
InventorWayne L. Nemeth
Life of this patent
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Abstract
An article is described herein which comprises a substrate, a character sequence disposed on the substrate, a scratch-off coating disposed at least in part over at least one portion of the character sequence, and at least one conductive trace disposed at least in part over the at least one portion of the character sequence.
Claims6
An article, comprising:
- a substrate;
- a character sequence disposed on the substrate;
- a scratch-off coating disposed at least in part over at least one portion of the character sequence;
- and
- at least one conductive trace disposed at least in part over the at least one portion of the character sequence, wherein at least part of the at least one conductive trace is integrated with the scratch-off coating such that the conductive traces pass through the scratch-off coating.
2 more elements
Dependencies are inferred from the claim text.