TSK AMERICA

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2001/0043,073 PROBER INTERFACE PLATEAbandonedMar 09, 99Nov 22, 01[G01R]
5351444 Blade track control systemExpiredSep 25, 92Oct 04, 94[B24B]
5189843 Wafer slicing and grinding machine and a method of slicing and grinding wafersExpiredAug 30, 90Mar 02, 93[B24B]
5148797 Mounting for an internal diameter saw bladeExpiredMar 14, 91Sep 22, 92[B24B, B28D]
5111622 Slicing and grinding system for a wafer slicing machineExpiredMay 18, 89May 12, 92[B24B]
5076021 Flat grind stage assembly for an automatic edge grinderExpiredApr 28, 89Dec 31, 91[B24B]
5036628 Seal assembly for a wafer grinding machineExpiredApr 25, 89Aug 06, 91[B24B, A46B]
4498449 Precision tensioning device for ID saw bladeExpiredApr 05, 82Feb 12, 85[B28D]
4420909 Wafering systemExpiredNov 10, 81Dec 20, 83[B24B]

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