Enshu Limited

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6200198 Method of cutting of metal materials and non-metal materials in a non-combustible gas atmosphereExpiredOct 15, 98Mar 13, 01[B24B]
6135862 Nitrogen gas supply system for dry-cut working machineExpiredMay 13, 99Oct 24, 00[B24B]
4398136 Controller for automatic tool changerExpiredDec 22, 81Aug 09, 83[G05B]
4372728 Tool transfer arm assembly for automatic milling machinesExpiredJan 02, 81Feb 08, 83[B23Q, B25J]

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