Eastport International, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5,035,540 Shallow water pipeline tracker systemExpiredSep 12, 90Jul 30, 91[F16L]
4,984,969 Plunger lift toolExpiredSep 08, 89Jan 15, 91[F04B]
4,676,319 Fire fighting tool and methodExpiredJan 30, 85Jun 30, 87[A62C]
4,487,153 Cage for undersea tethered vehiclesExpiredSep 30, 82Dec 11, 84[B63G]
4,472,793 Data selector circuit with channel skipper for data acquisition systemExpiredMay 25, 82Sep 18, 84[G01S, H04J]

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