JONES & LAMSON VERMONT CORP., A CORP. OF DE.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4637620 Two stage chuckExpiredSep 04, 84Jan 20, 87[B23B]
4577389 Automatic tool changerExpiredApr 19, 83Mar 25, 86[B23Q]
4521121 Air bearingExpiredAug 08, 83Jun 04, 85[F16C, F15D]
4339939 Drawing heavy walled partsExpiredJun 15, 81Jul 20, 82[B21D]
4308743 Blank deflectorExpiredOct 01, 79Jan 05, 82[B21D]
4283932 Toggle-actuated punch stripperExpiredMay 31, 79Aug 18, 81[B21D]
4247244 Transfer mechanismExpiredAug 24, 78Jan 27, 81[B65G]

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