Computer programs for use in placing hidden digital codes in or on physical objects, namely, tangible products, packaging, labeling, advertising, documents, identification, value and security certificates and papers, event admissions and tickets, photographs and art work; computer programs for use in recognizing hidden digital codes in or on such physical objects and digital code readers for recognizing hidden digital codes in or on such physical objects

'admiss':30 'advertis':20 'art':35 'certif':26 'code':9,45,54,60 'comput':1,37 'digit':8,44,53,59 'document':21 'event':29 'hidden':7,43,58 'identif':22 'label':19 'name':15 'object':14,51,66 'packag':18 'paper':28 'photograph':33 'physic':13,50,65 'place':6 'product':17 'program':2,38 'reader':55 'recogn':42,57 'secur':25 'tangibl':16 'ticket':32 'use':4,40 'valu':23 'work':36

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Goods & Services