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Class Information
Number: 451/916
Name: Abrading > Abrading of brush bristle
Description: Disclosure of grinding bristles of a brush.

Patents under this class:

Patent Number Title Of Patent Date Issued
6669531 Apparatus for high tolerance brush honing Dec. 30, 2003
6615613 Method of grinding a substrate and method of manufacturing a glass substrate and a magnetic recording medium by the use of the glass substrate Sep. 9, 2003
6354911 Method and apparatus for end-rounding bristles Mar. 12, 2002
6287177 Method of and apparatus for high tolerance brush honing Sep. 11, 2001
6171175 Method of polishing uniform or free-form metal surfaces Jan. 9, 2001
5732466 Manufacturer of brush seals Mar. 31, 1998
5653628 Device for rounding the ends of plastic bristles Aug. 5, 1997
4839997 Brush seal manufacture Jun. 20, 1989
4144675 Apparatus for treating top ends of flexible cords Mar. 20, 1979
4064658 Brush roundator Dec. 27, 1977

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