| http://www.w3.org/ns/prov#value | - Patent US6429889 - Laser marking discrete consumable articles - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsA unique method of marking individual consumable articles such as tablets, pills, and the like on the fly, without the deposition of ink or other marking materials on their surfaces, without degrading the articles, and without pre
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