`The Patent Linguistics Utility System (PLUS) is a USPTO automated search system
`for US. Patents from 1971 to the present PLUS is a query-by-example search system which
`produces a list of patents that are most closely related linguistically to the application
`searched. This search was prepared by the staff of the Scientific and Technical Information
`Center, SIRA.
`
`12029690
`
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`
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`20070093853 67
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`20030125723 60
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`20060173447 59
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`20070066979 59
`5254124 58
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`5704935 58
`
`