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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Tools & Hardware
Class Information
Number: 451/404
Name: Abrading > Work holder > Indexing > Hand operated
Description: Work holder in which the position of the workpiece can be changed manually.










Patents under this class:

Patent Number Title Of Patent Date Issued
7182679 Conical point sharpener Feb. 27, 2007
6821193 Material positioning and shaping system apparatus Nov. 23, 2004
6447384 Jig for grinding sharp-edged tools Sep. 10, 2002
6004195 Crown and bridge clamp and finishing system Dec. 21, 1999
5921847 Grinding fixture and method of remanufacturing tool inserts Jul. 13, 1999
5897428 Device for contouring and sharpening ice skate blades Apr. 27, 1999
5830048 Pivot sample block cross-section tool Nov. 3, 1998
5816898 Cutter sharpening device Oct. 6, 1998
5775180 Sharpening device Jul. 7, 1998
5664993 Air bearing for a spin index fixture Sep. 9, 1997
5643065 Indexing mechanism for rotatably mounted work holding spindle Jul. 1, 1997
5549506 Apparatus for supporting and containing a dental prosthesis during the micro-etching thereof Aug. 27, 1996
5413523 Driving mechanism for moving table May. 9, 1995
4895033 Sample holder for use in the grinding or polishing of samples Jan. 23, 1990
4873794 Holder for milling countersink filler plugs Oct. 17, 1989
4805354 Apparatus and method for lapping an edge surface of an object Feb. 21, 1989
4382351 Chuck assembly for lens block May. 10, 1983
4100702 Fast grind fixture Jul. 18, 1978
4040313 Precision circular saw blade grinding machine Aug. 9, 1977
4040314 Chain saw blade sharpening accessory Aug. 9, 1977











 
 
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