Precision Technologies, Inc.

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8251241 Container lid with cutting mechanism for allowing easy-open access to products in sealed containers and beverage container including container lidExpiredMay 21, 08Aug 28, 12[B65D, B67D]
6155311 Lead conditioning systemExpiredDec 29, 98Dec 05, 00[B21F]
5862838 Lead conditioning systemExpiredJul 01, 97Jan 26, 99[B21F]
5487416 Lead conditioning system for semiconductor devicesExpiredDec 03, 93Jan 30, 96[B21F]
5273081 Lead conditioning apparatus and method for semiconductor devicesExpiredDec 11, 91Dec 28, 93[B21F]
5023809 Target tracking deviceExpiredJun 19, 90Jun 11, 91[H04N, G06F]
4598895 Plug valve with hydraulically actuated sealsExpiredAug 31, 84Jul 08, 86[F16K]
4498473 Variable stiffness tracheal tubeExpiredDec 07, 82Feb 12, 85[A61M]
4473082 Lung exerciser with variable resistanceExpiredJun 19, 81Sep 25, 84[A61B, A63B, F16J]
4449693 Catheter check valveExpiredSep 30, 82May 22, 84[F16L]
4361107 Overinflation indicator for tracheal tubesExpiredNov 20, 80Nov 30, 82[G01P, A61M]
4351331 Endotracheal tube holder and bite blockExpiredOct 31, 80Sep 28, 82[A61M]
4347853 Cycle counter for lung exerciserExpiredFeb 23, 81Sep 07, 82[A61B]
4345605 Lung exerciserExpiredOct 20, 80Aug 24, 82[A61B, A63B, F16J]

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