`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.
`
`14868384
`
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`4514992 64
`
`20160018135 99
`20170146284 87
`6054064 76
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`20160002518 76
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`20170058173 76
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`
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`
`