A CORP OF WI

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4507571 Optically coupled input circuit for digital controlExpiredSep 29, 82Mar 26, 85[H03K]
D276987 Motorcycle transmission coverExpiredDec 29, 82Jan 01, 85[]
4482368 Air cleaning assembly including a fastening assembly having a novel wing nut constructionExpiredFeb 28, 83Nov 13, 84[F16B, B01D]
4457327 Temperature responsive valve mechanismExpiredJul 26, 82Jul 03, 84[F16K]
4449635 Imaginary pivot lift craneExpiredAug 02, 82May 22, 84[B66C]
4418374 Latch relay drive circuitExpiredSep 29, 82Nov 29, 83[H01H]

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