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Class Information
Number: 451/553
Name: Abrading > Rigid tool > Stationary > Metal
Description: Rigid, stationary abrading tool in which the abrading surface is of metal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7503241 |
Device for sharpening the blade of a manual cutting tool |
Mar. 17, 2009 |
| 6616520 |
Polishing cloth and method for attaching/detaching the polishing cloth to/from polishing machine base plate |
Sep. 9, 2003 |
| 6358123 |
Apparatus and method for reducing disc surface asperities to sub-microinch height |
Mar. 19, 2002 |
| 6007407 |
Abrasive construction for semiconductor wafer modification |
Dec. 28, 1999 |
| 5683292 |
Abrasive plate |
Nov. 4, 1997 |
| 5655959 |
Knife edge sharpener |
Aug. 12, 1997 |
| 5040435 |
Knife edge deburring apparatus |
Aug. 20, 1991 |
| 4934110 |
Edge sharpening apparatus |
Jun. 19, 1990 |
| 4910923 |
Sharpening tool |
Mar. 27, 1990 |
| 4646477 |
Knife sharpener |
Mar. 3, 1987 |
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