`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.
`
`16294499
`
`4077228 99
`4180934 99
`4723819 99
`4773176 99
`4948232 99
`5246374 99
`5285428 99
`5907917 99
`6464507 99
`6503188 99
`6573462 99
`6905101 99
`7095387 99
`7230599 99
`7237350 99
`7268491 99
`7345675 99
`7395996 99
`7590433 99
`7639237 99
`7710370 99
`8001711 99
`8028449 99
`8001711 99
`8028449 99
`8106853 99
`8199471 99
`8313074 99
`8446549 99
`8477250 99
`8511302 99
`8605421 99
`8615914 99
`8763291 99
`8830577 99
`8952911 99
`8981363 99
`9019313 99
`9022575 99
`9189028 99
`9218711 99
`9349778 99
`9465473 99
`9485341 99
`9502681 99
`9519313 99
`9659512 99
`9684340 99
`9685100 99
`
`

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