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Class Information
Number: 451/914
Name: Abrading > Supporting, positioning, or feeding work
Description: Disclosure of holding a workpiece against gravity, manipulating a workpiece with respect to an abrading means, or advancing a workpiece with respect to an abrading means, of a type not provided for in the "official" subclasses above.

Patents under this class:

Patent Number Title Of Patent Date Issued
8303371 Support for tread band buffing Nov. 6, 2012
7628677 Automated insulation milling machine Dec. 8, 2009
7585205 Substrate polishing apparatus and method Sep. 8, 2009
7519448 Method for determining position of semiconductor wafer, and apparatus using the same Apr. 14, 2009
7510461 Grinding jig set and grinding method Mar. 31, 2009
7169020 Grinding jig set and grinding method Jan. 30, 2007
6726554 Guide ring removal device Apr. 27, 2004
6514123 Semiconductor polishing pad alignment device for a polishing apparatus and method of use Feb. 4, 2003
5961380 Robotic transport apparatus Oct. 5, 1999
5893794 Polishing apparatus having robotic transport apparatus Apr. 13, 1999

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