Trio-Tech International

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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Expired/Abandoned/Withdrawn Patents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
6605955 Temperature controlled wafer chuck system with low thermal resistanceExpiredJan 26, 00Aug 12, 03[G01R]
6583638 Temperature-controlled semiconductor wafer chuck systemExpiredJan 26, 99Jun 24, 03[G01R]
6104203 Test apparatus for electronic componentsExpiredMay 16, 96Aug 15, 00[G01R]
4685853 Device for loading components into a centrifuge to be testedExpiredSep 02, 86Aug 11, 87[B65G]

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